258487754

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47221}}^1$

素因数の和:47270

約数の個数: 32

約数和(自身を含む): 489597696

約数和(自身を除く): 231109942

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 238, 322, 391, 782, 2737, 5474, 47221, 94442, 330547, 661094, 802757, 1086083, 1605514, 2172166, 5619299, 7602581, 11238598, 15205162, 18463411, 36926822, 129243877, 258487754]

約数ペア:

[(1, 258487754), (2, 129243877), (7, 36926822), (14, 18463411), (17, 15205162), (23, 11238598), (34, 7602581), (46, 5619299), (119, 2172166), (161, 1605514), (238, 1086083), (322, 802757), (391, 661094), (782, 330547), (2737, 94442), (5474, 47221)]