31986110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7937}}^1$

素因数の和:7988

約数の個数: 32

約数和(自身を含む): 64012032

約数和(自身を除く): 32025922

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7937, 15874, 39685, 79370, 103181, 206362, 246047, 492094, 515905, 1031810, 1230235, 2460470, 3198611, 6397222, 15993055, 31986110]

約数ペア:

[(1, 31986110), (2, 15993055), (5, 6397222), (10, 3198611), (13, 2460470), (26, 1230235), (31, 1031810), (62, 515905), (65, 492094), (130, 246047), (155, 206362), (310, 103181), (403, 79370), (806, 39685), (2015, 15874), (4030, 7937)]