64454728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1399}}^1$

素因数の和:1861

約数の個数: 32

約数和(自身を含む): 130536000

約数和(自身を除く): 66081272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 443, 886, 1399, 1772, 2798, 3544, 5596, 5759, 11192, 11518, 18187, 23036, 36374, 46072, 72748, 145496, 619757, 1239514, 2479028, 4958056, 8056841, 16113682, 32227364, 64454728]

約数ペア:

[(1, 64454728), (2, 32227364), (4, 16113682), (8, 8056841), (13, 4958056), (26, 2479028), (52, 1239514), (104, 619757), (443, 145496), (886, 72748), (1399, 46072), (1772, 36374), (2798, 23036), (3544, 18187), (5596, 11518), (5759, 11192)]