31509530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1487}}^1$

素因数の和:1670

約数の個数: 32

約数和(自身を含む): 61496064

約数和(自身を除く): 29986534

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1487, 1630, 2119, 2974, 4238, 7435, 10595, 14870, 19331, 21190, 38662, 96655, 193310, 242381, 484762, 1211905, 2423810, 3150953, 6301906, 15754765, 31509530]

約数ペア:

[(1, 31509530), (2, 15754765), (5, 6301906), (10, 3150953), (13, 2423810), (26, 1211905), (65, 484762), (130, 242381), (163, 193310), (326, 96655), (815, 38662), (1487, 21190), (1630, 19331), (2119, 14870), (2974, 10595), (4238, 7435)]