661380216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{74279}}^1$

素因数の和:74348

約数の個数: 64

約数和(自身を含む): 1925337600

約数和(自身を除く): 1263957384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 53, 56, 84, 106, 159, 168, 212, 318, 371, 424, 636, 742, 1113, 1272, 1484, 2226, 2968, 4452, 8904, 74279, 148558, 222837, 297116, 445674, 519953, 594232, 891348, 1039906, 1559859, 1782696, 2079812, 3119718, 3936787, 4159624, 6239436, 7873574, 11810361, 12478872, 15747148, 23620722, 27557509, 31494296, 47241444, 55115018, 82672527, 94482888, 110230036, 165345054, 220460072, 330690108, 661380216]

約数ペア:

[(1, 661380216), (2, 330690108), (3, 220460072), (4, 165345054), (6, 110230036), (7, 94482888), (8, 82672527), (12, 55115018), (14, 47241444), (21, 31494296), (24, 27557509), (28, 23620722), (42, 15747148), (53, 12478872), (56, 11810361), (84, 7873574), (106, 6239436), (159, 4159624), (168, 3936787), (212, 3119718), (318, 2079812), (371, 1782696), (424, 1559859), (636, 1039906), (742, 891348), (1113, 594232), (1272, 519953), (1484, 445674), (2226, 297116), (2968, 222837), (4452, 148558), (8904, 74279)]