208690699

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{887}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 264268800

約数和(自身を除く): 55578101

約数列:

[1, 7, 19, 29, 61, 133, 203, 427, 551, 887, 1159, 1769, 3857, 6209, 8113, 12383, 16853, 25723, 33611, 54107, 117971, 180061, 235277, 378749, 488737, 1028033, 1569103, 3421159, 7196231, 10983721, 29812957, 208690699]

約数ペア:

[(1, 208690699), (7, 29812957), (19, 10983721), (29, 7196231), (61, 3421159), (133, 1569103), (203, 1028033), (427, 488737), (551, 378749), (887, 235277), (1159, 180061), (1769, 117971), (3857, 54107), (6209, 33611), (8113, 25723), (12383, 16853)]