13481590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 25300224

約数和(自身を除く): 11818634

約数列:

[1, 2, 5, 10, 31, 62, 155, 157, 277, 310, 314, 554, 785, 1385, 1570, 2770, 4867, 8587, 9734, 17174, 24335, 42935, 43489, 48670, 85870, 86978, 217445, 434890, 1348159, 2696318, 6740795, 13481590]

約数ペア:

[(1, 13481590), (2, 6740795), (5, 2696318), (10, 1348159), (31, 434890), (62, 217445), (155, 86978), (157, 85870), (277, 48670), (310, 43489), (314, 42935), (554, 24335), (785, 17174), (1385, 9734), (1570, 8587), (2770, 4867)]