66406568

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{33071}}^1$

素因数の和:33328

約数の個数: 16

約数和(自身を含む): 125012160

約数和(自身を除く): 58605592

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 33071, 66142, 132284, 264568, 8300821, 16601642, 33203284, 66406568]

約数ペア:

[(1, 66406568), (2, 33203284), (4, 16601642), (8, 8300821), (251, 264568), (502, 132284), (1004, 66142), (2008, 33071)]