2178668877

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{17117}}^1$

素因数の和:17186

約数の個数: 64

約数和(自身を含む): 3943987200

約数和(自身を除く): 1765318323

約数列:

[1, 3, 7, 11, 19, 21, 29, 33, 57, 77, 87, 133, 203, 209, 231, 319, 399, 551, 609, 627, 957, 1463, 1653, 2233, 3857, 4389, 6061, 6699, 11571, 17117, 18183, 42427, 51351, 119819, 127281, 188287, 325223, 359457, 496393, 564861, 975669, 1318009, 1489179, 2276561, 3474751, 3577453, 3954027, 5460323, 6829683, 9431467, 10424253, 10732359, 16380969, 25042171, 28294401, 38222261, 66020269, 75126513, 103746137, 114666783, 198060807, 311238411, 726222959, 2178668877]

約数ペア:

[(1, 2178668877), (3, 726222959), (7, 311238411), (11, 198060807), (19, 114666783), (21, 103746137), (29, 75126513), (33, 66020269), (57, 38222261), (77, 28294401), (87, 25042171), (133, 16380969), (203, 10732359), (209, 10424253), (231, 9431467), (319, 6829683), (399, 5460323), (551, 3954027), (609, 3577453), (627, 3474751), (957, 2276561), (1463, 1489179), (1653, 1318009), (2233, 975669), (3857, 564861), (4389, 496393), (6061, 359457), (6699, 325223), (11571, 188287), (17117, 127281), (18183, 119819), (42427, 51351)]