28277156964

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{631}}^1\times {\mathrm{76213}}^1$

素因数の和:76865

約数の個数: 72

約数和(自身を含む): 76874927808

約数和(自身を除く): 48597770844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 631, 1262, 1893, 2524, 3786, 4417, 7572, 8834, 13251, 17668, 26502, 30919, 53004, 61838, 76213, 92757, 123676, 152426, 185514, 228639, 304852, 371028, 457278, 533491, 914556, 1066982, 1600473, 2133964, 3200946, 3734437, 6401892, 7468874, 11203311, 14937748, 22406622, 44813244, 48090403, 96180806, 144271209, 192361612, 288542418, 336632821, 577084836, 673265642, 1009898463, 1346531284, 2019796926, 2356429747, 4039593852, 4712859494, 7069289241, 9425718988, 14138578482, 28277156964]

約数ペア:

[(1, 28277156964), (2, 14138578482), (3, 9425718988), (4, 7069289241), (6, 4712859494), (7, 4039593852), (12, 2356429747), (14, 2019796926), (21, 1346531284), (28, 1009898463), (42, 673265642), (49, 577084836), (84, 336632821), (98, 288542418), (147, 192361612), (196, 144271209), (294, 96180806), (588, 48090403), (631, 44813244), (1262, 22406622), (1893, 14937748), (2524, 11203311), (3786, 7468874), (4417, 6401892), (7572, 3734437), (8834, 3200946), (13251, 2133964), (17668, 1600473), (26502, 1066982), (30919, 914556), (53004, 533491), (61838, 457278), (76213, 371028), (92757, 304852), (123676, 228639), (152426, 185514)]