28913330

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 53301888

約数和(自身を除く): 24388558

約数列:

[1, 2, 5, 10, 71, 142, 193, 211, 355, 386, 422, 710, 965, 1055, 1930, 2110, 13703, 14981, 27406, 29962, 40723, 68515, 74905, 81446, 137030, 149810, 203615, 407230, 2891333, 5782666, 14456665, 28913330]

約数ペア:

[(1, 28913330), (2, 14456665), (5, 5782666), (10, 2891333), (71, 407230), (142, 203615), (193, 149810), (211, 137030), (355, 81446), (386, 74905), (422, 68515), (710, 40723), (965, 29962), (1055, 27406), (1930, 14981), (2110, 13703)]