31880636

素因数分解:

$2^2\times {\mathrm{149}}^2\times {\mathrm{359}}^1$

素因数の和:661

約数の個数: 18

約数和(自身を含む): 56324520

約数和(自身を除く): 24443884

約数列:

[1, 2, 4, 149, 298, 359, 596, 718, 1436, 22201, 44402, 53491, 88804, 106982, 213964, 7970159, 15940318, 31880636]

約数ペア:

[(1, 31880636), (2, 15940318), (4, 7970159), (149, 213964), (298, 106982), (359, 88804), (596, 53491), (718, 44402), (1436, 22201)]