221974798

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1\times {\mathrm{1549}}^1$

素因数の和:2211

約数の個数: 16

約数和(自身を含む): 336250800

約数和(自身を除く): 114276002

約数列:

[1, 2, 137, 274, 523, 1046, 1549, 3098, 71651, 143302, 212213, 424426, 810127, 1620254, 110987399, 221974798]

約数ペア:

[(1, 221974798), (2, 110987399), (137, 1620254), (274, 810127), (523, 424426), (1046, 212213), (1549, 143302), (3098, 71651)]