221231472

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:556

約数の個数: 240

約数和(自身を含む): 769450752

約数和(自身を除く): 548219280

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 17, 21, 22, 24, 28, 33, 34, 42, 44, 48, 49, 51, 56, 66, 68, 77, 84, 88, 98, 102, 112, 119, 132, 136, 147, 154, 168, 176, 187, 196, 204, 231, 238, 264, 272, 294, 308, 336, 357, 374, 392, 408, 462, 476, 503, 528, 539, 561, 588, 616, 714, 748, 784, 816, 833, 924, 952, 1006, 1078, 1122, 1176, 1232, 1309, 1428, 1496, 1509, 1617, 1666, 1848, 1904, 2012, 2156, 2244, 2352, 2499, 2618, 2856, 2992, 3018, 3234, 3332, 3521, 3696, 3927, 4024, 4312, 4488, 4998, 5236, 5533, 5712, 6036, 6468, 6664, 7042, 7854, 8048, 8551, 8624, 8976, 9163, 9996, 10472, 10563, 11066, 12072, 12936, 13328, 14084, 15708, 16599, 17102, 18326, 19992, 20944, 21126, 22132, 24144, 24647, 25653, 25872, 27489, 28168, 31416, 33198, 34204, 36652, 38731, 39984, 42252, 44264, 49294, 51306, 54978, 56336, 59857, 62832, 66396, 68408, 73304, 73941, 77462, 84504, 88528, 94061, 98588, 102612, 109956, 116193, 119714, 132792, 136816, 146608, 147882, 154924, 169008, 179571, 188122, 197176, 205224, 219912, 232386, 239428, 265584, 271117, 282183, 295764, 309848, 359142, 376244, 394352, 410448, 418999, 439824, 464772, 478856, 542234, 564366, 591528, 619696, 658427, 718284, 752488, 813351, 837998, 929544, 957712, 1084468, 1128732, 1183056, 1256997, 1316854, 1436568, 1504976, 1626702, 1675996, 1859088, 1975281, 2168936, 2257464, 2513994, 2633708, 2873136, 3253404, 3351992, 3950562, 4337872, 4514928, 4608989, 5027988, 5267416, 6506808, 6703984, 7901124, 9217978, 10055976, 10534832, 13013616, 13826967, 15802248, 18435956, 20111952, 27653934, 31604496, 36871912, 55307868, 73743824, 110615736, 221231472]

約数ペア:

[(1, 221231472), (2, 110615736), (3, 73743824), (4, 55307868), (6, 36871912), (7, 31604496), (8, 27653934), (11, 20111952), (12, 18435956), (14, 15802248), (16, 13826967), (17, 13013616), (21, 10534832), (22, 10055976), (24, 9217978), (28, 7901124), (33, 6703984), (34, 6506808), (42, 5267416), (44, 5027988), (48, 4608989), (49, 4514928), (51, 4337872), (56, 3950562), (66, 3351992), (68, 3253404), (77, 2873136), (84, 2633708), (88, 2513994), (98, 2257464), (102, 2168936), (112, 1975281), (119, 1859088), (132, 1675996), (136, 1626702), (147, 1504976), (154, 1436568), (168, 1316854), (176, 1256997), (187, 1183056), (196, 1128732), (204, 1084468), (231, 957712), (238, 929544), (264, 837998), (272, 813351), (294, 752488), (308, 718284), (336, 658427), (357, 619696), (374, 591528), (392, 564366), (408, 542234), (462, 478856), (476, 464772), (503, 439824), (528, 418999), (539, 410448), (561, 394352), (588, 376244), (616, 359142), (714, 309848), (748, 295764), (784, 282183), (816, 271117), (833, 265584), (924, 239428), (952, 232386), (1006, 219912), (1078, 205224), (1122, 197176), (1176, 188122), (1232, 179571), (1309, 169008), (1428, 154924), (1496, 147882), (1509, 146608), (1617, 136816), (1666, 132792), (1848, 119714), (1904, 116193), (2012, 109956), (2156, 102612), (2244, 98588), (2352, 94061), (2499, 88528), (2618, 84504), (2856, 77462), (2992, 73941), (3018, 73304), (3234, 68408), (3332, 66396), (3521, 62832), (3696, 59857), (3927, 56336), (4024, 54978), (4312, 51306), (4488, 49294), (4998, 44264), (5236, 42252), (5533, 39984), (5712, 38731), (6036, 36652), (6468, 34204), (6664, 33198), (7042, 31416), (7854, 28168), (8048, 27489), (8551, 25872), (8624, 25653), (8976, 24647), (9163, 24144), (9996, 22132), (10472, 21126), (10563, 20944), (11066, 19992), (12072, 18326), (12936, 17102), (13328, 16599), (14084, 15708)]