253262545

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 327121920

約数和(自身を除く): 73859375

約数列:

[1, 5, 23, 61, 79, 115, 305, 395, 457, 1403, 1817, 2285, 4819, 7015, 9085, 10511, 24095, 27877, 36103, 52555, 110837, 139385, 180515, 554185, 641171, 830369, 2202283, 3205855, 4151845, 11011415, 50652509, 253262545]

約数ペア:

[(1, 253262545), (5, 50652509), (23, 11011415), (61, 4151845), (79, 3205855), (115, 2202283), (305, 830369), (395, 641171), (457, 554185), (1403, 180515), (1817, 139385), (2285, 110837), (4819, 52555), (7015, 36103), (9085, 27877), (10511, 24095)]