81705928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11437}}^1$

素因数の和:11509

約数の個数: 32

約数和(自身を含む): 164707200

約数和(自身を除く): 83001272

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 3572, 7144, 11437, 22874, 45748, 91496, 217303, 434606, 537539, 869212, 1075078, 1738424, 2150156, 4300312, 10213241, 20426482, 40852964, 81705928]

約数ペア:

[(1, 81705928), (2, 40852964), (4, 20426482), (8, 10213241), (19, 4300312), (38, 2150156), (47, 1738424), (76, 1075078), (94, 869212), (152, 537539), (188, 434606), (376, 217303), (893, 91496), (1786, 45748), (3572, 22874), (7144, 11437)]