25105003

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1063

約数の個数: 24

約数和(自身を含む): 32569344

約数和(自身を除く): 7464341

約数列:

[1, 7, 11, 47, 49, 77, 329, 517, 539, 991, 2303, 3619, 6937, 10901, 25333, 46577, 48559, 76307, 326039, 512347, 534149, 2282273, 3586429, 25105003]

約数ペア:

[(1, 25105003), (7, 3586429), (11, 2282273), (47, 534149), (49, 512347), (77, 326039), (329, 76307), (517, 48559), (539, 46577), (991, 25333), (2303, 10901), (3619, 6937)]