66881512

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{977}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 129096000

約数和(自身を除く): 62214488

約数列:

[1, 2, 4, 8, 43, 86, 172, 199, 344, 398, 796, 977, 1592, 1954, 3908, 7816, 8557, 17114, 34228, 42011, 68456, 84022, 168044, 194423, 336088, 388846, 777692, 1555384, 8360189, 16720378, 33440756, 66881512]

約数ペア:

[(1, 66881512), (2, 33440756), (4, 16720378), (8, 8360189), (43, 1555384), (86, 777692), (172, 388846), (199, 336088), (344, 194423), (398, 168044), (796, 84022), (977, 68456), (1592, 42011), (1954, 34228), (3908, 17114), (7816, 8557)]