51900121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 67511808

約数和(自身を除く): 15611687

約数列:

[1, 7, 13, 23, 91, 137, 161, 181, 299, 959, 1267, 1781, 2093, 2353, 3151, 4163, 12467, 16471, 22057, 24797, 29141, 40963, 54119, 173579, 286741, 322361, 378833, 570331, 2256527, 3992317, 7414303, 51900121]

約数ペア:

[(1, 51900121), (7, 7414303), (13, 3992317), (23, 2256527), (91, 570331), (137, 378833), (161, 322361), (181, 286741), (299, 173579), (959, 54119), (1267, 40963), (1781, 29141), (2093, 24797), (2353, 22057), (3151, 16471), (4163, 12467)]