28518448

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2861}}^1$

素因数の和:2965

約数の個数: 40

約数和(自身を含む): 63879840

約数和(自身を除く): 35361392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 2861, 4984, 5722, 9968, 11444, 20027, 22888, 40054, 45776, 80108, 160216, 254629, 320432, 509258, 1018516, 1782403, 2037032, 3564806, 4074064, 7129612, 14259224, 28518448]

約数ペア:

[(1, 28518448), (2, 14259224), (4, 7129612), (7, 4074064), (8, 3564806), (14, 2037032), (16, 1782403), (28, 1018516), (56, 509258), (89, 320432), (112, 254629), (178, 160216), (356, 80108), (623, 45776), (712, 40054), (1246, 22888), (1424, 20027), (2492, 11444), (2861, 9968), (4984, 5722)]