639346574

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{1579}}^1\times {\mathrm{11909}}^1$

素因数の和:13507

約数の個数: 16

約数和(自身を含む): 1016161200

約数和(自身を除く): 376814626

約数列:

[1, 2, 17, 34, 1579, 3158, 11909, 23818, 26843, 53686, 202453, 404906, 18804311, 37608622, 319673287, 639346574]

約数ペア:

[(1, 639346574), (2, 319673287), (17, 37608622), (34, 18804311), (1579, 404906), (3158, 202453), (11909, 53686), (23818, 26843)]