28828475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{829}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 38903760

約数和(自身を除く): 10075285

約数列:

[1, 5, 13, 25, 65, 107, 325, 535, 829, 1391, 2675, 4145, 6955, 10777, 20725, 34775, 53885, 88703, 269425, 443515, 1153139, 2217575, 5765695, 28828475]

約数ペア:

[(1, 28828475), (5, 5765695), (13, 2217575), (25, 1153139), (65, 443515), (107, 269425), (325, 88703), (535, 53885), (829, 34775), (1391, 20725), (2675, 10777), (4145, 6955)]