208061399

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1609}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 270480000

約数和(自身を除く): 62418601

約数列:

[1, 7, 13, 29, 49, 91, 203, 343, 377, 637, 1421, 1609, 2639, 4459, 9947, 11263, 18473, 20917, 46661, 78841, 129311, 146419, 326627, 551887, 606593, 1024933, 2286389, 4246151, 7174531, 16004723, 29723057, 208061399]

約数ペア:

[(1, 208061399), (7, 29723057), (13, 16004723), (29, 7174531), (49, 4246151), (91, 2286389), (203, 1024933), (343, 606593), (377, 551887), (637, 326627), (1421, 146419), (1609, 129311), (2639, 78841), (4459, 46661), (9947, 20917), (11263, 18473)]