201331505

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 258738624

約数和(自身を除く): 57407119

約数列:

[1, 5, 19, 71, 95, 355, 361, 1349, 1571, 1805, 6745, 7855, 25631, 29849, 111541, 128155, 149245, 557705, 567131, 2119279, 2835655, 10596395, 40266301, 201331505]

約数ペア:

[(1, 201331505), (5, 40266301), (19, 10596395), (71, 2835655), (95, 2119279), (355, 567131), (361, 557705), (1349, 149245), (1571, 128155), (1805, 111541), (6745, 29849), (7855, 25631)]