640824767696

素因数分解:

$2^4\times {\mathrm{15401}}^1\times {\mathrm{2600581}}^1$

素因数の和:2615990

約数の個数: 20

約数和(自身を含む): 1241679082884

約数和(自身を除く): 600854315188

約数列:

[1, 2, 4, 8, 16, 15401, 30802, 61604, 123208, 246416, 2600581, 5201162, 10402324, 20804648, 41609296, 40051547981, 80103095962, 160206191924, 320412383848, 640824767696]

約数ペア:

[(1, 640824767696), (2, 320412383848), (4, 160206191924), (8, 80103095962), (16, 40051547981), (15401, 41609296), (30802, 20804648), (61604, 10402324), (123208, 5201162), (246416, 2600581)]