69951775

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 88722000

約数和(自身を除く): 18770225

約数列:

[1, 5, 25, 89, 149, 211, 445, 745, 1055, 2225, 3725, 5275, 13261, 18779, 31439, 66305, 93895, 157195, 331525, 469475, 785975, 2798071, 13990355, 69951775]

約数ペア:

[(1, 69951775), (5, 13990355), (25, 2798071), (89, 785975), (149, 469475), (211, 331525), (445, 157195), (745, 93895), (1055, 66305), (2225, 31439), (3725, 18779), (5275, 13261)]