201390215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{911}}^1$

素因数の和:1127

約数の個数: 32

約数和(自身を含む): 275788800

約数和(自身を除く): 74398585

約数列:

[1, 5, 13, 19, 65, 95, 179, 247, 895, 911, 1235, 2327, 3401, 4555, 11635, 11843, 17005, 17309, 44213, 59215, 86545, 163069, 221065, 225017, 815345, 1125085, 2119897, 3098311, 10599485, 15491555, 40278043, 201390215]

約数ペア:

[(1, 201390215), (5, 40278043), (13, 15491555), (19, 10599485), (65, 3098311), (95, 2119897), (179, 1125085), (247, 815345), (895, 225017), (911, 221065), (1235, 163069), (2327, 86545), (3401, 59215), (4555, 44213), (11635, 17309), (11843, 17005)]