31717660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2837}}^1$

素因数の和:2902

約数の個数: 48

約数和(自身を含む): 73424736

約数和(自身を除く): 41707076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 2837, 5590, 5674, 11180, 11348, 14185, 28370, 36881, 56740, 73762, 121991, 147524, 184405, 243982, 368810, 487964, 609955, 737620, 1219910, 1585883, 2439820, 3171766, 6343532, 7929415, 15858830, 31717660]

約数ペア:

[(1, 31717660), (2, 15858830), (4, 7929415), (5, 6343532), (10, 3171766), (13, 2439820), (20, 1585883), (26, 1219910), (43, 737620), (52, 609955), (65, 487964), (86, 368810), (130, 243982), (172, 184405), (215, 147524), (260, 121991), (430, 73762), (559, 56740), (860, 36881), (1118, 28370), (2236, 14185), (2795, 11348), (2837, 11180), (5590, 5674)]