3928475

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 5202048

約数和(自身を除く): 1273573

約数列:

[1, 5, 25, 31, 37, 137, 155, 185, 685, 775, 925, 1147, 3425, 4247, 5069, 5735, 21235, 25345, 28675, 106175, 126725, 157139, 785695, 3928475]

約数ペア:

[(1, 3928475), (5, 785695), (25, 157139), (31, 126725), (37, 106175), (137, 28675), (155, 25345), (185, 21235), (685, 5735), (775, 5069), (925, 4247), (1147, 3425)]