64621045

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2\times {\mathrm{107}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 81629856

約数和(自身を除く): 17008811

約数列:

[1, 5, 43, 53, 107, 215, 265, 535, 2279, 2809, 4601, 5671, 11395, 14045, 23005, 28355, 120787, 243853, 300563, 603935, 1219265, 1502815, 12924209, 64621045]

約数ペア:

[(1, 64621045), (5, 12924209), (43, 1502815), (53, 1219265), (107, 603935), (215, 300563), (265, 243853), (535, 120787), (2279, 28355), (2809, 23005), (4601, 14045), (5671, 11395)]