81218008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{534329}}^1$

素因数の和:534354

約数の個数: 16

約数和(自身を含む): 160299000

約数和(自身を除く): 79080992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 534329, 1068658, 2137316, 4274632, 10152251, 20304502, 40609004, 81218008]

約数ペア:

[(1, 81218008), (2, 40609004), (4, 20304502), (8, 10152251), (19, 4274632), (38, 2137316), (76, 1068658), (152, 534329)]