81728296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{2837}}^1$

素因数の和:3133

約数の個数: 32

約数和(自身を含む): 165682440

約数和(自身を除く): 83954144

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 277, 554, 1108, 2216, 2837, 3601, 5674, 7202, 11348, 14404, 22696, 28808, 36881, 73762, 147524, 295048, 785849, 1571698, 3143396, 6286792, 10216037, 20432074, 40864148, 81728296]

約数ペア:

[(1, 81728296), (2, 40864148), (4, 20432074), (8, 10216037), (13, 6286792), (26, 3143396), (52, 1571698), (104, 785849), (277, 295048), (554, 147524), (1108, 73762), (2216, 36881), (2837, 28808), (3601, 22696), (5674, 14404), (7202, 11348)]