646465964416

素因数分解:

$2^7\times {\mathrm{2837}}^1\times {\mathrm{1780231}}^1$

素因数の和:1783082

約数の個数: 32

約数和(自身を含む): 1288336096080

約数和(自身を除く): 641870131664

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 2837, 5674, 11348, 22696, 45392, 90784, 181568, 363136, 1780231, 3560462, 7120924, 14241848, 28483696, 56967392, 113934784, 227869568, 5050515347, 10101030694, 20202061388, 40404122776, 80808245552, 161616491104, 323232982208, 646465964416]

約数ペア:

[(1, 646465964416), (2, 323232982208), (4, 161616491104), (8, 80808245552), (16, 40404122776), (32, 20202061388), (64, 10101030694), (128, 5050515347), (2837, 227869568), (5674, 113934784), (11348, 56967392), (22696, 28483696), (45392, 14241848), (90784, 7120924), (181568, 3560462), (363136, 1780231)]