64872275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6883}}^1$

素因数の和:6935

約数の個数: 24

約数和(自身を含む): 89629680

約数和(自身を除く): 24757405

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 6883, 9425, 34415, 89479, 172075, 199607, 447395, 998035, 2236975, 2594891, 4990175, 12974455, 64872275]

約数ペア:

[(1, 64872275), (5, 12974455), (13, 4990175), (25, 2594891), (29, 2236975), (65, 998035), (145, 447395), (325, 199607), (377, 172075), (725, 89479), (1885, 34415), (6883, 9425)]