257584254

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{21937}}^1$

素因数の和:22064

約数の個数: 32

約数和(自身を含む): 547572480

約数和(自身を除く): 289988226

約数列:

[1, 2, 3, 6, 19, 38, 57, 103, 114, 206, 309, 618, 1957, 3914, 5871, 11742, 21937, 43874, 65811, 131622, 416803, 833606, 1250409, 2259511, 2500818, 4519022, 6778533, 13557066, 42930709, 85861418, 128792127, 257584254]

約数ペア:

[(1, 257584254), (2, 128792127), (3, 85861418), (6, 42930709), (19, 13557066), (38, 6778533), (57, 4519022), (103, 2500818), (114, 2259511), (206, 1250409), (309, 833606), (618, 416803), (1957, 131622), (3914, 65811), (5871, 43874), (11742, 21937)]