257251019053

素因数分解:

$7^3\times {\mathrm{739}}^1\times {\mathrm{1014889}}^1$

素因数の和:1015649

約数の個数: 16

約数和(自身を含む): 300407440000

約数和(自身を除く): 43156420947

約数列:

[1, 7, 49, 343, 739, 5173, 36211, 253477, 1014889, 7104223, 49729561, 348106927, 750002971, 5250020797, 36750145579, 257251019053]

約数ペア:

[(1, 257251019053), (7, 36750145579), (49, 5250020797), (343, 750002971), (739, 348106927), (5173, 49729561), (36211, 7104223), (253477, 1014889)]