2643205825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{16979}}^1$

素因数の和:17481

約数の個数: 24

約数和(自身を含む): 3537273600

約数和(自身を除く): 894067775

約数列:

[1, 5, 13, 25, 65, 325, 479, 2395, 6227, 11975, 16979, 31135, 84895, 155675, 220727, 424475, 1103635, 5518175, 8132941, 40664705, 105728233, 203323525, 528641165, 2643205825]

約数ペア:

[(1, 2643205825), (5, 528641165), (13, 203323525), (25, 105728233), (65, 40664705), (325, 8132941), (479, 5518175), (2395, 1103635), (6227, 424475), (11975, 220727), (16979, 155675), (31135, 84895)]