13908925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 18070272

約数和(自身を除く): 4161347

約数列:

[1, 5, 25, 31, 131, 137, 155, 655, 685, 775, 3275, 3425, 4061, 4247, 17947, 20305, 21235, 89735, 101525, 106175, 448675, 556357, 2781785, 13908925]

約数ペア:

[(1, 13908925), (5, 2781785), (25, 556357), (31, 448675), (131, 106175), (137, 101525), (155, 89735), (655, 21235), (685, 20305), (775, 17947), (3275, 4247), (3425, 4061)]