205513178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 338257920

約数和(自身を除く): 132744742

約数列:

[1, 2, 13, 26, 109, 127, 218, 254, 571, 1142, 1417, 1651, 2834, 3302, 7423, 13843, 14846, 27686, 62239, 72517, 124478, 145034, 179959, 359918, 809107, 942721, 1618214, 1885442, 7904353, 15808706, 102756589, 205513178]

約数ペア:

[(1, 205513178), (2, 102756589), (13, 15808706), (26, 7904353), (109, 1885442), (127, 1618214), (218, 942721), (254, 809107), (571, 359918), (1142, 179959), (1417, 145034), (1651, 124478), (2834, 72517), (3302, 62239), (7423, 27686), (13843, 14846)]