668857516

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{743}}^1\times {\mathrm{3359}}^1$

素因数の和:4173

約数の個数: 24

約数和(自身を含む): 1189923840

約数和(自身を除く): 521066324

約数列:

[1, 2, 4, 67, 134, 268, 743, 1486, 2972, 3359, 6718, 13436, 49781, 99562, 199124, 225053, 450106, 900212, 2495737, 4991474, 9982948, 167214379, 334428758, 668857516]

約数ペア:

[(1, 668857516), (2, 334428758), (4, 167214379), (67, 9982948), (134, 4991474), (268, 2495737), (743, 900212), (1486, 450106), (2972, 225053), (3359, 199124), (6718, 99562), (13436, 49781)]