638560065

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{853}}^1$

素因数の和:1234

約数の個数: 64

約数和(自身を含む): 1205164800

約数和(自身を除く): 566604735

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 349, 429, 715, 853, 1047, 1745, 2145, 2559, 3839, 4265, 4537, 5235, 9383, 11089, 11517, 12795, 13611, 19195, 22685, 28149, 33267, 46915, 49907, 55445, 57585, 68055, 121979, 140745, 149721, 166335, 249535, 297697, 365937, 609895, 748605, 893091, 1488485, 1829685, 3274667, 3870061, 4465455, 9824001, 11610183, 16373335, 19350305, 42570671, 49120005, 58050915, 127712013, 212853355, 638560065]

約数ペア:

[(1, 638560065), (3, 212853355), (5, 127712013), (11, 58050915), (13, 49120005), (15, 42570671), (33, 19350305), (39, 16373335), (55, 11610183), (65, 9824001), (143, 4465455), (165, 3870061), (195, 3274667), (349, 1829685), (429, 1488485), (715, 893091), (853, 748605), (1047, 609895), (1745, 365937), (2145, 297697), (2559, 249535), (3839, 166335), (4265, 149721), (4537, 140745), (5235, 121979), (9383, 68055), (11089, 57585), (11517, 55445), (12795, 49907), (13611, 46915), (19195, 33267), (22685, 28149)]