640970295091

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{102538841}}^1$

素因数の和:102538914

約数の個数: 16

約数和(自身を含む): 787498306560

約数和(自身を除く): 146528011469

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 102538841, 717771887, 1948237979, 4819325527, 13637665853, 33735278689, 91567185013, 640970295091]

約数ペア:

[(1, 640970295091), (7, 91567185013), (19, 33735278689), (47, 13637665853), (133, 4819325527), (329, 1948237979), (893, 717771887), (6251, 102538841)]