31251416

素因数分解:

$2^3\times 7^4\times {\mathrm{1627}}^1$

素因数の和:1661

約数の個数: 40

約数和(自身を含む): 68400420

約数和(自身を除く): 37149004

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 1627, 2401, 2744, 3254, 4802, 6508, 9604, 11389, 13016, 19208, 22778, 45556, 79723, 91112, 159446, 318892, 558061, 637784, 1116122, 2232244, 3906427, 4464488, 7812854, 15625708, 31251416]

約数ペア:

[(1, 31251416), (2, 15625708), (4, 7812854), (7, 4464488), (8, 3906427), (14, 2232244), (28, 1116122), (49, 637784), (56, 558061), (98, 318892), (196, 159446), (343, 91112), (392, 79723), (686, 45556), (1372, 22778), (1627, 19208), (2401, 13016), (2744, 11389), (3254, 9604), (4802, 6508)]