217702969

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 268738560

約数和(自身を除く): 51035591

約数列:

[1, 11, 17, 19, 71, 187, 209, 323, 781, 863, 1207, 1349, 3553, 9493, 13277, 14671, 14839, 16397, 22933, 61273, 161381, 180367, 252263, 278749, 674003, 1041641, 1164187, 3066239, 11458051, 12806057, 19791179, 217702969]

約数ペア:

[(1, 217702969), (11, 19791179), (17, 12806057), (19, 11458051), (71, 3066239), (187, 1164187), (209, 1041641), (323, 674003), (781, 278749), (863, 252263), (1207, 180367), (1349, 161381), (3553, 61273), (9493, 22933), (13277, 16397), (14671, 14839)]