199985885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{125383}}^1$

素因数の和:125428

約数の個数: 16

約数和(自身を含む): 270829440

約数和(自身を除く): 70843555

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 125383, 626915, 1379213, 3636107, 6896065, 18180535, 39997177, 199985885]

約数ペア:

[(1, 199985885), (5, 39997177), (11, 18180535), (29, 6896065), (55, 3636107), (145, 1379213), (319, 626915), (1595, 125383)]