68640618

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{215851}}^1$

素因数の和:215909

約数の個数: 16

約数和(自身を含む): 139872096

約数和(自身を除く): 71231478

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 215851, 431702, 647553, 1295106, 11440103, 22880206, 34320309, 68640618]

約数ペア:

[(1, 68640618), (2, 34320309), (3, 22880206), (6, 11440103), (53, 1295106), (106, 647553), (159, 431702), (318, 215851)]