133581644

素因数分解:

$2^2\times 7^2\times {\mathrm{681539}}^1$

素因数の和:681557

約数の個数: 18

約数和(自身を含む): 271934460

約数和(自身を除く): 138352816

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 681539, 1363078, 2726156, 4770773, 9541546, 19083092, 33395411, 66790822, 133581644]

約数ペア:

[(1, 133581644), (2, 66790822), (4, 33395411), (7, 19083092), (14, 9541546), (28, 4770773), (49, 2726156), (98, 1363078), (196, 681539)]