72703216

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:689

約数の個数: 40

約数和(自身を含む): 144365264

約数和(自身を除く): 71662048

約数列:

[1, 2, 4, 8, 16, 61, 122, 163, 244, 326, 457, 488, 652, 914, 976, 1304, 1828, 2608, 3656, 7312, 9943, 19886, 27877, 39772, 55754, 74491, 79544, 111508, 148982, 159088, 223016, 297964, 446032, 595928, 1191856, 4543951, 9087902, 18175804, 36351608, 72703216]

約数ペア:

[(1, 72703216), (2, 36351608), (4, 18175804), (8, 9087902), (16, 4543951), (61, 1191856), (122, 595928), (163, 446032), (244, 297964), (326, 223016), (457, 159088), (488, 148982), (652, 111508), (914, 79544), (976, 74491), (1304, 55754), (1828, 39772), (2608, 27877), (3656, 19886), (7312, 9943)]