81074512

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{16189}}^1$

素因数の和:16510

約数の個数: 20

約数和(自身を含む): 157593460

約数和(自身を除く): 76518948

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 5008, 16189, 32378, 64756, 129512, 259024, 5067157, 10134314, 20268628, 40537256, 81074512]

約数ペア:

[(1, 81074512), (2, 40537256), (4, 20268628), (8, 10134314), (16, 5067157), (313, 259024), (626, 129512), (1252, 64756), (2504, 32378), (5008, 16189)]