257612888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{24049}}^1$

素因数の和:24171

約数の個数: 32

約数和(自身を含む): 525252000

約数和(自身を除く): 267639112

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 2678, 5356, 10712, 24049, 48098, 96196, 192392, 312637, 625274, 1250548, 2477047, 2501096, 4954094, 9908188, 19816376, 32201611, 64403222, 128806444, 257612888]

約数ペア:

[(1, 257612888), (2, 128806444), (4, 64403222), (8, 32201611), (13, 19816376), (26, 9908188), (52, 4954094), (103, 2501096), (104, 2477047), (206, 1250548), (412, 625274), (824, 312637), (1339, 192392), (2678, 96196), (5356, 48098), (10712, 24049)]