64351856

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{36899}}^1$

素因数の和:37016

約数の個数: 20

約数和(自身を含む): 125829000

約数和(自身を除く): 61477144

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 36899, 73798, 147596, 295192, 590384, 4021991, 8043982, 16087964, 32175928, 64351856]

約数ペア:

[(1, 64351856), (2, 32175928), (4, 16087964), (8, 8043982), (16, 4021991), (109, 590384), (218, 295192), (436, 147596), (872, 73798), (1744, 36899)]