217153888

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 144

約数和(自身を含む): 540373680

約数和(自身を除く): 323219792

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 37, 38, 49, 56, 74, 76, 98, 112, 133, 148, 152, 196, 197, 224, 259, 266, 296, 304, 392, 394, 518, 532, 592, 608, 703, 784, 788, 931, 1036, 1064, 1184, 1379, 1406, 1568, 1576, 1813, 1862, 2072, 2128, 2758, 2812, 3152, 3626, 3724, 3743, 4144, 4256, 4921, 5516, 5624, 6304, 7252, 7289, 7448, 7486, 8288, 9653, 9842, 11032, 11248, 14504, 14578, 14896, 14972, 19306, 19684, 22064, 22496, 26201, 29008, 29156, 29792, 29944, 34447, 38612, 39368, 44128, 51023, 52402, 58016, 58312, 59888, 68894, 77224, 78736, 102046, 104804, 116624, 119776, 137788, 138491, 154448, 157472, 183407, 204092, 209608, 233248, 275576, 276982, 308896, 357161, 366814, 408184, 419216, 551152, 553964, 714322, 733628, 816368, 838432, 969437, 1102304, 1107928, 1428644, 1467256, 1632736, 1938874, 2215856, 2857288, 2934512, 3877748, 4431712, 5714576, 5869024, 6786059, 7755496, 11429152, 13572118, 15510992, 27144236, 31021984, 54288472, 108576944, 217153888]

約数ペア:

[(1, 217153888), (2, 108576944), (4, 54288472), (7, 31021984), (8, 27144236), (14, 15510992), (16, 13572118), (19, 11429152), (28, 7755496), (32, 6786059), (37, 5869024), (38, 5714576), (49, 4431712), (56, 3877748), (74, 2934512), (76, 2857288), (98, 2215856), (112, 1938874), (133, 1632736), (148, 1467256), (152, 1428644), (196, 1107928), (197, 1102304), (224, 969437), (259, 838432), (266, 816368), (296, 733628), (304, 714322), (392, 553964), (394, 551152), (518, 419216), (532, 408184), (592, 366814), (608, 357161), (703, 308896), (784, 276982), (788, 275576), (931, 233248), (1036, 209608), (1064, 204092), (1184, 183407), (1379, 157472), (1406, 154448), (1568, 138491), (1576, 137788), (1813, 119776), (1862, 116624), (2072, 104804), (2128, 102046), (2758, 78736), (2812, 77224), (3152, 68894), (3626, 59888), (3724, 58312), (3743, 58016), (4144, 52402), (4256, 51023), (4921, 44128), (5516, 39368), (5624, 38612), (6304, 34447), (7252, 29944), (7289, 29792), (7448, 29156), (7486, 29008), (8288, 26201), (9653, 22496), (9842, 22064), (11032, 19684), (11248, 19306), (14504, 14972), (14578, 14896)]