81308614

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{4751}}^1$

素因数の和:4995

約数の個数: 16

約数和(自身を含む): 125452800

約数和(自身を除く): 44144186

約数列:

[1, 2, 43, 86, 199, 398, 4751, 8557, 9502, 17114, 204293, 408586, 945449, 1890898, 40654307, 81308614]

約数ペア:

[(1, 81308614), (2, 40654307), (43, 1890898), (86, 945449), (199, 408586), (398, 204293), (4751, 17114), (8557, 9502)]