213788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 411600

約数和(自身を除く): 197812

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 97, 116, 194, 388, 551, 1102, 1843, 2204, 2813, 3686, 5626, 7372, 11252, 53447, 106894, 213788]

約数ペア:

[(1, 213788), (2, 106894), (4, 53447), (19, 11252), (29, 7372), (38, 5626), (58, 3686), (76, 2813), (97, 2204), (116, 1843), (194, 1102), (388, 551)]