205335109

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 258048000

約数和(自身を除く): 52712891

約数列:

[1, 7, 19, 29, 133, 139, 203, 383, 551, 973, 2641, 2681, 3857, 4031, 7277, 11107, 18487, 28217, 50939, 53237, 76589, 77749, 211033, 372659, 536123, 1011503, 1477231, 1543873, 7080521, 10807111, 29333587, 205335109]

約数ペア:

[(1, 205335109), (7, 29333587), (19, 10807111), (29, 7080521), (133, 1543873), (139, 1477231), (203, 1011503), (383, 536123), (551, 372659), (973, 211033), (2641, 77749), (2681, 76589), (3857, 53237), (4031, 50939), (7277, 28217), (11107, 18487)]