279903130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{126653}}^1$

素因数の和:126690

約数の個数: 32

約数和(自身を含む): 574502544

約数和(自身を除く): 294599414

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 126653, 253306, 633265, 1266530, 1646489, 2153101, 3292978, 4306202, 8232445, 10765505, 16464890, 21531010, 27990313, 55980626, 139951565, 279903130]

約数ペア:

[(1, 279903130), (2, 139951565), (5, 55980626), (10, 27990313), (13, 21531010), (17, 16464890), (26, 10765505), (34, 8232445), (65, 4306202), (85, 3292978), (130, 2153101), (170, 1646489), (221, 1266530), (442, 633265), (1105, 253306), (2210, 126653)]