209355328025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3364489}}^1$

素因数の和:3364649

約数の個数: 24

約数和(自身を含む): 275349861600

約数和(自身を除く): 65994533575

約数列:

[1, 5, 19, 25, 95, 131, 475, 655, 2489, 3275, 12445, 62225, 3364489, 16822445, 63925291, 84112225, 319626455, 440748059, 1598132275, 2203740295, 8374213121, 11018701475, 41871065605, 209355328025]

約数ペア:

[(1, 209355328025), (5, 41871065605), (19, 11018701475), (25, 8374213121), (95, 2203740295), (131, 1598132275), (475, 440748059), (655, 319626455), (2489, 84112225), (3275, 63925291), (12445, 16822445), (62225, 3364489)]