218432890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1680253}}^1$

素因数の和:1680273

約数の個数: 16

約数和(自身を含む): 423424008

約数和(自身を除く): 204991118

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1680253, 3360506, 8401265, 16802530, 21843289, 43686578, 109216445, 218432890]

約数ペア:

[(1, 218432890), (2, 109216445), (5, 43686578), (10, 21843289), (13, 16802530), (26, 8401265), (65, 3360506), (130, 1680253)]