31580232

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 82114560

約数和(自身を除く): 50534328

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 71, 86, 129, 142, 172, 213, 258, 284, 344, 426, 431, 516, 568, 852, 862, 1032, 1293, 1704, 1724, 2586, 3053, 3448, 5172, 6106, 9159, 10344, 12212, 18318, 18533, 24424, 30601, 36636, 37066, 55599, 61202, 73272, 74132, 91803, 111198, 122404, 148264, 183606, 222396, 244808, 367212, 444792, 734424, 1315843, 2631686, 3947529, 5263372, 7895058, 10526744, 15790116, 31580232]

約数ペア:

[(1, 31580232), (2, 15790116), (3, 10526744), (4, 7895058), (6, 5263372), (8, 3947529), (12, 2631686), (24, 1315843), (43, 734424), (71, 444792), (86, 367212), (129, 244808), (142, 222396), (172, 183606), (213, 148264), (258, 122404), (284, 111198), (344, 91803), (426, 74132), (431, 73272), (516, 61202), (568, 55599), (852, 37066), (862, 36636), (1032, 30601), (1293, 24424), (1704, 18533), (1724, 18318), (2586, 12212), (3053, 10344), (3448, 9159), (5172, 6106)]