8991206

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3989}}^1$

素因数の和:4028

約数の個数: 24

約数和(自身を含む): 16374960

約数和(自身を除く): 7383754

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 3989, 7978, 27923, 55846, 91747, 183494, 195461, 390922, 642229, 1284458, 4495603, 8991206]

約数ペア:

[(1, 8991206), (2, 4495603), (7, 1284458), (14, 642229), (23, 390922), (46, 195461), (49, 183494), (98, 91747), (161, 55846), (322, 27923), (1127, 7978), (2254, 3989)]