31913740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{863}}^1$

素因数の和:958

約数の個数: 36

約数和(自身を含む): 68693184

約数和(自身を除く): 36779444

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 863, 1726, 1849, 3452, 3698, 4315, 7396, 8630, 9245, 17260, 18490, 36980, 37109, 74218, 148436, 185545, 371090, 742180, 1595687, 3191374, 6382748, 7978435, 15956870, 31913740]

約数ペア:

[(1, 31913740), (2, 15956870), (4, 7978435), (5, 6382748), (10, 3191374), (20, 1595687), (43, 742180), (86, 371090), (172, 185545), (215, 148436), (430, 74218), (860, 37109), (863, 36980), (1726, 18490), (1849, 17260), (3452, 9245), (3698, 8630), (4315, 7396)]