81625388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{21503}}^1$

素因数の和:21593

約数の個数: 24

約数和(自身を含む): 155947008

約数和(自身を除く): 74321620

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 21503, 43006, 86012, 279539, 559078, 1118156, 1569719, 3139438, 6278876, 20406347, 40812694, 81625388]

約数ペア:

[(1, 81625388), (2, 40812694), (4, 20406347), (13, 6278876), (26, 3139438), (52, 1569719), (73, 1118156), (146, 559078), (292, 279539), (949, 86012), (1898, 43006), (3796, 21503)]