128321984

素因数分解:

$2^6\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:155

約数の個数: 168

約数和(自身を含む): 328361040

約数和(自身を除く): 200039056

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 29, 32, 34, 49, 56, 58, 64, 68, 83, 98, 112, 116, 119, 136, 166, 196, 203, 224, 232, 238, 272, 332, 392, 406, 448, 464, 476, 493, 544, 581, 664, 784, 812, 833, 928, 952, 986, 1088, 1162, 1328, 1411, 1421, 1568, 1624, 1666, 1856, 1904, 1972, 2324, 2407, 2656, 2822, 2842, 3136, 3248, 3332, 3451, 3808, 3944, 4067, 4648, 4814, 5312, 5644, 5684, 6496, 6664, 6902, 7616, 7888, 8134, 9296, 9628, 9877, 11288, 11368, 12992, 13328, 13804, 15776, 16268, 16849, 18592, 19256, 19754, 22576, 22736, 24157, 26656, 27608, 31552, 32536, 33698, 37184, 38512, 39508, 40919, 45152, 45472, 48314, 53312, 55216, 65072, 67396, 69139, 77024, 79016, 81838, 90304, 90944, 96628, 110432, 117943, 130144, 134792, 138278, 154048, 158032, 163676, 193256, 220864, 235886, 260288, 269584, 276556, 286433, 316064, 327352, 386512, 471772, 539168, 553112, 572866, 632128, 654704, 773024, 943544, 1078336, 1106224, 1145732, 1309408, 1546048, 1887088, 2005031, 2212448, 2291464, 2618816, 3774176, 4010062, 4424896, 4582928, 7548352, 8020124, 9165856, 16040248, 18331712, 32080496, 64160992, 128321984]

約数ペア:

[(1, 128321984), (2, 64160992), (4, 32080496), (7, 18331712), (8, 16040248), (14, 9165856), (16, 8020124), (17, 7548352), (28, 4582928), (29, 4424896), (32, 4010062), (34, 3774176), (49, 2618816), (56, 2291464), (58, 2212448), (64, 2005031), (68, 1887088), (83, 1546048), (98, 1309408), (112, 1145732), (116, 1106224), (119, 1078336), (136, 943544), (166, 773024), (196, 654704), (203, 632128), (224, 572866), (232, 553112), (238, 539168), (272, 471772), (332, 386512), (392, 327352), (406, 316064), (448, 286433), (464, 276556), (476, 269584), (493, 260288), (544, 235886), (581, 220864), (664, 193256), (784, 163676), (812, 158032), (833, 154048), (928, 138278), (952, 134792), (986, 130144), (1088, 117943), (1162, 110432), (1328, 96628), (1411, 90944), (1421, 90304), (1568, 81838), (1624, 79016), (1666, 77024), (1856, 69139), (1904, 67396), (1972, 65072), (2324, 55216), (2407, 53312), (2656, 48314), (2822, 45472), (2842, 45152), (3136, 40919), (3248, 39508), (3332, 38512), (3451, 37184), (3808, 33698), (3944, 32536), (4067, 31552), (4648, 27608), (4814, 26656), (5312, 24157), (5644, 22736), (5684, 22576), (6496, 19754), (6664, 19256), (6902, 18592), (7616, 16849), (7888, 16268), (8134, 15776), (9296, 13804), (9628, 13328), (9877, 12992), (11288, 11368)]