208072403

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1429}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 272363520

約数和(自身を除く): 64291117

約数列:

[1, 7, 11, 31, 61, 77, 217, 341, 427, 671, 1429, 1891, 2387, 4697, 10003, 13237, 15719, 20801, 44299, 87169, 110033, 145607, 310093, 487289, 610183, 958859, 2702239, 3411023, 6712013, 18915673, 29724629, 208072403]

約数ペア:

[(1, 208072403), (7, 29724629), (11, 18915673), (31, 6712013), (61, 3411023), (77, 2702239), (217, 958859), (341, 610183), (427, 487289), (671, 310093), (1429, 145607), (1891, 110033), (2387, 87169), (4697, 44299), (10003, 20801), (13237, 15719)]