28125185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{6473}}^1$

素因数の和:6568

約数の個数: 16

約数和(自身を含む): 37290240

約数和(自身を除く): 9165055

約数列:

[1, 5, 11, 55, 79, 395, 869, 4345, 6473, 32365, 71203, 356015, 511367, 2556835, 5625037, 28125185]

約数ペア:

[(1, 28125185), (5, 5625037), (11, 2556835), (55, 511367), (79, 356015), (395, 71203), (869, 32365), (4345, 6473)]