87980686

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1\times {\mathrm{499}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 133200000

約数和(自身を除く): 45219314

約数列:

[1, 2, 199, 398, 443, 499, 886, 998, 88157, 99301, 176314, 198602, 221057, 442114, 43990343, 87980686]

約数ペア:

[(1, 87980686), (2, 43990343), (199, 442114), (398, 221057), (443, 198602), (499, 176314), (886, 99301), (998, 88157)]