261661512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1557509}}^1$

素因数の和:1557525

約数の個数: 32

約数和(自身を含む): 747604800

約数和(自身を除く): 485943288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1557509, 3115018, 4672527, 6230036, 9345054, 10902563, 12460072, 18690108, 21805126, 32707689, 37380216, 43610252, 65415378, 87220504, 130830756, 261661512]

約数ペア:

[(1, 261661512), (2, 130830756), (3, 87220504), (4, 65415378), (6, 43610252), (7, 37380216), (8, 32707689), (12, 21805126), (14, 18690108), (21, 12460072), (24, 10902563), (28, 9345054), (42, 6230036), (56, 4672527), (84, 3115018), (168, 1557509)]