31881590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2381}}^1$

素因数の和:2504

約数の個数: 32

約数和(自身を含む): 62427456

約数和(自身を除く): 30545866

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2381, 2678, 4762, 6695, 11905, 13390, 23810, 30953, 61906, 154765, 245243, 309530, 490486, 1226215, 2452430, 3188159, 6376318, 15940795, 31881590]

約数ペア:

[(1, 31881590), (2, 15940795), (5, 6376318), (10, 3188159), (13, 2452430), (26, 1226215), (65, 490486), (103, 309530), (130, 245243), (206, 154765), (515, 61906), (1030, 30953), (1339, 23810), (2381, 13390), (2678, 11905), (4762, 6695)]