72415993

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^2\times {\mathrm{313}}^1$

素因数の和:413

約数の個数: 18

約数和(自身を含む): 80849034

約数和(自身を除く): 8433041

約数列:

[1, 13, 37, 169, 313, 481, 1369, 4069, 6253, 11581, 17797, 52897, 150553, 231361, 428497, 1957189, 5570461, 72415993]

約数ペア:

[(1, 72415993), (13, 5570461), (37, 1957189), (169, 428497), (313, 231361), (481, 150553), (1369, 52897), (4069, 17797), (6253, 11581)]