81179926

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 130636800

約数和(自身を除く): 49456874

約数列:

[1, 2, 23, 46, 79, 89, 158, 178, 251, 502, 1817, 2047, 3634, 4094, 5773, 7031, 11546, 14062, 19829, 22339, 39658, 44678, 161713, 323426, 456067, 513797, 912134, 1027594, 1764781, 3529562, 40589963, 81179926]

約数ペア:

[(1, 81179926), (2, 40589963), (23, 3529562), (46, 1764781), (79, 1027594), (89, 912134), (158, 513797), (178, 456067), (251, 323426), (502, 161713), (1817, 44678), (2047, 39658), (3634, 22339), (4094, 19829), (5773, 14062), (7031, 11546)]