13261025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 17284608

約数和(自身を除く): 4023583

約数列:

[1, 5, 25, 31, 71, 155, 241, 355, 775, 1205, 1775, 2201, 6025, 7471, 11005, 17111, 37355, 55025, 85555, 186775, 427775, 530441, 2652205, 13261025]

約数ペア:

[(1, 13261025), (5, 2652205), (25, 530441), (31, 427775), (71, 186775), (155, 85555), (241, 55025), (355, 37355), (775, 17111), (1205, 11005), (1775, 7471), (2201, 6025)]