133385644

素因数分解:

$2^2\times 7^2\times {\mathrm{680539}}^1$

素因数の和:680557

約数の個数: 18

約数和(自身を含む): 271535460

約数和(自身を除く): 138149816

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 680539, 1361078, 2722156, 4763773, 9527546, 19055092, 33346411, 66692822, 133385644]

約数ペア:

[(1, 133385644), (2, 66692822), (4, 33346411), (7, 19055092), (14, 9527546), (28, 4763773), (49, 2722156), (98, 1361078), (196, 680539)]