1988828

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 3638544

約数和(自身を除く): 1649716

約数列:

[1, 2, 4, 41, 67, 82, 134, 164, 181, 268, 362, 724, 2747, 5494, 7421, 10988, 12127, 14842, 24254, 29684, 48508, 497207, 994414, 1988828]

約数ペア:

[(1, 1988828), (2, 994414), (4, 497207), (41, 48508), (67, 29684), (82, 24254), (134, 14842), (164, 12127), (181, 10988), (268, 7421), (362, 5494), (724, 2747)]