261569294

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{2341}}^1$

素因数の和:2720

約数の個数: 32

約数和(自身を含む): 469449216

約数和(自身を除く): 207879922

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 347, 694, 2341, 2429, 4682, 4858, 7981, 15962, 16387, 32774, 53843, 55867, 107686, 111734, 376901, 753802, 812327, 1624654, 5686289, 11372578, 18683521, 37367042, 130784647, 261569294]

約数ペア:

[(1, 261569294), (2, 130784647), (7, 37367042), (14, 18683521), (23, 11372578), (46, 5686289), (161, 1624654), (322, 812327), (347, 753802), (694, 376901), (2341, 111734), (2429, 107686), (4682, 55867), (4858, 53843), (7981, 32774), (15962, 16387)]