255012478

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{1621}}^1$

素因数の和:2308

約数の個数: 32

約数和(自身を含む): 463866048

約数和(自身を除く): 208853570

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 661, 1322, 1621, 3242, 4627, 9254, 11237, 11347, 22474, 22694, 27557, 55114, 78659, 157318, 192899, 385798, 1071481, 2142962, 7500367, 15000734, 18215177, 36430354, 127506239, 255012478]

約数ペア:

[(1, 255012478), (2, 127506239), (7, 36430354), (14, 18215177), (17, 15000734), (34, 7500367), (119, 2142962), (238, 1071481), (661, 385798), (1322, 192899), (1621, 157318), (3242, 78659), (4627, 55114), (9254, 27557), (11237, 22694), (11347, 22474)]