1276177721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{33311}}^1$

素因数の和:33752

約数の個数: 16

約数和(自身を含む): 1574458368

約数和(自身を除く): 298280647

約数列:

[1, 7, 13, 91, 421, 2947, 5473, 33311, 38311, 233177, 433043, 3031301, 14023931, 98167517, 182311103, 1276177721]

約数ペア:

[(1, 1276177721), (7, 182311103), (13, 98167517), (91, 14023931), (421, 3031301), (2947, 433043), (5473, 233177), (33311, 38311)]