645087128

素因数分解:

$2^3\times 7^1\times {\mathrm{11519413}}^1$

素因数の和:11519426

約数の個数: 16

約数和(自身を含む): 1382329680

約数和(自身を除く): 737242552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 11519413, 23038826, 46077652, 80635891, 92155304, 161271782, 322543564, 645087128]

約数ペア:

[(1, 645087128), (2, 322543564), (4, 161271782), (7, 92155304), (8, 80635891), (14, 46077652), (28, 23038826), (56, 11519413)]