66478736

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{20879}}^1$

素因数の和:21086

約数の個数: 20

約数和(自身を含む): 129456000

約数和(自身を除く): 62977264

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 20879, 41758, 83516, 167032, 334064, 4154921, 8309842, 16619684, 33239368, 66478736]

約数ペア:

[(1, 66478736), (2, 33239368), (4, 16619684), (8, 8309842), (16, 4154921), (199, 334064), (398, 167032), (796, 83516), (1592, 41758), (3184, 20879)]