681567608

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{132911}}^1$

素因数の和:133558

約数の個数: 16

約数和(自身を含む): 1279942560

約数和(自身を除く): 598374952

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 5128, 132911, 265822, 531644, 1063288, 85195951, 170391902, 340783804, 681567608]

約数ペア:

[(1, 681567608), (2, 340783804), (4, 170391902), (8, 85195951), (641, 1063288), (1282, 531644), (2564, 265822), (5128, 132911)]