291247312

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{76163}}^1$

素因数の和:76410

約数の個数: 20

約数和(自身を含む): 566660160

約数和(自身を除く): 275412848

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 76163, 152326, 304652, 609304, 1218608, 18202957, 36405914, 72811828, 145623656, 291247312]

約数ペア:

[(1, 291247312), (2, 145623656), (4, 72811828), (8, 36405914), (16, 18202957), (239, 1218608), (478, 609304), (956, 304652), (1912, 152326), (3824, 76163)]