208259095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{617}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 305153568

約数和(自身を除く): 96894473

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 323, 361, 617, 935, 1045, 1615, 1805, 3085, 3553, 3971, 6137, 6787, 10489, 11723, 17765, 19855, 30685, 33935, 52445, 58615, 67507, 115379, 128953, 199291, 222737, 337535, 576895, 644765, 996455, 1113685, 2192201, 2450107, 3786529, 10961005, 12250535, 18932645, 41651819, 208259095]

約数ペア:

[(1, 208259095), (5, 41651819), (11, 18932645), (17, 12250535), (19, 10961005), (55, 3786529), (85, 2450107), (95, 2192201), (187, 1113685), (209, 996455), (323, 644765), (361, 576895), (617, 337535), (935, 222737), (1045, 199291), (1615, 128953), (1805, 115379), (3085, 67507), (3553, 58615), (3971, 52445), (6137, 33935), (6787, 30685), (10489, 19855), (11723, 17765)]