259690925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19489}}^1$

素因数の和:19553

約数の個数: 24

約数和(自身を含む): 355263720

約数和(自身を除く): 95572795

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 533, 1025, 2665, 13325, 19489, 97445, 253357, 487225, 799049, 1266785, 3995245, 6333925, 10387637, 19976225, 51938185, 259690925]

約数ペア:

[(1, 259690925), (5, 51938185), (13, 19976225), (25, 10387637), (41, 6333925), (65, 3995245), (205, 1266785), (325, 799049), (533, 487225), (1025, 253357), (2665, 97445), (13325, 19489)]