208522925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{15649}}^1$

素因数の和:15713

約数の個数: 24

約数和(自身を含む): 285268200

約数和(自身を除く): 76745275

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 533, 1025, 2665, 13325, 15649, 78245, 203437, 391225, 641609, 1017185, 3208045, 5085925, 8340917, 16040225, 41704585, 208522925]

約数ペア:

[(1, 208522925), (5, 41704585), (13, 16040225), (25, 8340917), (41, 5085925), (65, 3208045), (205, 1017185), (325, 641609), (533, 391225), (1025, 203437), (2665, 78245), (13325, 15649)]