28135870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{3557}}^1$

素因数の和:3684

約数の個数: 32

約数和(自身を含む): 58408128

約数和(自身を除く): 30272258

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 3557, 3955, 7114, 7910, 17785, 24899, 35570, 49798, 124495, 248990, 401941, 803882, 2009705, 2813587, 4019410, 5627174, 14067935, 28135870]

約数ペア:

[(1, 28135870), (2, 14067935), (5, 5627174), (7, 4019410), (10, 2813587), (14, 2009705), (35, 803882), (70, 401941), (113, 248990), (226, 124495), (565, 49798), (791, 35570), (1130, 24899), (1582, 17785), (3557, 7910), (3955, 7114)]