13690925

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:126

約数の個数: 36

約数和(自身を含む): 18850356

約数和(自身を除く): 5159431

約数列:

[1, 5, 19, 25, 37, 41, 95, 185, 205, 361, 475, 703, 779, 925, 1025, 1517, 1805, 3515, 3895, 7585, 9025, 13357, 14801, 17575, 19475, 28823, 37925, 66785, 74005, 144115, 333925, 370025, 547637, 720575, 2738185, 13690925]

約数ペア:

[(1, 13690925), (5, 2738185), (19, 720575), (25, 547637), (37, 370025), (41, 333925), (95, 144115), (185, 74005), (205, 66785), (361, 37925), (475, 28823), (703, 19475), (779, 17575), (925, 14801), (1025, 13357), (1517, 9025), (1805, 7585), (3515, 3895)]