220880816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{5867}}^1$

素因数の和:6069

約数の個数: 40

約数和(自身を含む): 463501584

約数和(自身を除く): 242620768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 181, 208, 362, 724, 1448, 2353, 2896, 4706, 5867, 9412, 11734, 18824, 23468, 37648, 46936, 76271, 93872, 152542, 305084, 610168, 1061927, 1220336, 2123854, 4247708, 8495416, 13805051, 16990832, 27610102, 55220204, 110440408, 220880816]

約数ペア:

[(1, 220880816), (2, 110440408), (4, 55220204), (8, 27610102), (13, 16990832), (16, 13805051), (26, 8495416), (52, 4247708), (104, 2123854), (181, 1220336), (208, 1061927), (362, 610168), (724, 305084), (1448, 152542), (2353, 93872), (2896, 76271), (4706, 46936), (5867, 37648), (9412, 23468), (11734, 18824)]