261361796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{14389}}^1$

素因数の和:14651

約数の個数: 24

約数和(自身を含む): 483504000

約数和(自身を除く): 222142204

約数列:

[1, 2, 4, 19, 38, 76, 239, 478, 956, 4541, 9082, 14389, 18164, 28778, 57556, 273391, 546782, 1093564, 3438971, 6877942, 13755884, 65340449, 130680898, 261361796]

約数ペア:

[(1, 261361796), (2, 130680898), (4, 65340449), (19, 13755884), (38, 6877942), (76, 3438971), (239, 1093564), (478, 546782), (956, 273391), (4541, 57556), (9082, 28778), (14389, 18164)]