1288297216

素因数分解:

$2^8\times {\mathrm{5032411}}^1$

素因数の和:5032427

約数の個数: 18

約数和(自身を含む): 2571562532

約数和(自身を除く): 1283265316

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 5032411, 10064822, 20129644, 40259288, 80518576, 161037152, 322074304, 644148608, 1288297216]

約数ペア:

[(1, 1288297216), (2, 644148608), (4, 322074304), (8, 161037152), (16, 80518576), (32, 40259288), (64, 20129644), (128, 10064822), (256, 5032411)]