31212986

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{419}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 56972160

約数和(自身を除く): 25759174

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 313, 419, 626, 838, 2191, 2933, 4382, 5321, 5866, 7123, 10642, 14246, 37247, 49861, 74494, 99722, 131147, 262294, 918029, 1836058, 2229499, 4458998, 15606493, 31212986]

約数ペア:

[(1, 31212986), (2, 15606493), (7, 4458998), (14, 2229499), (17, 1836058), (34, 918029), (119, 262294), (238, 131147), (313, 99722), (419, 74494), (626, 49861), (838, 37247), (2191, 14246), (2933, 10642), (4382, 7123), (5321, 5866)]