81985604

素因数分解:

$2^2\times {\mathrm{191}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 145152000

約数和(自身を除く): 63166396

約数列:

[1, 2, 4, 191, 239, 382, 449, 478, 764, 898, 956, 1796, 45649, 85759, 91298, 107311, 171518, 182596, 214622, 343036, 429244, 20496401, 40992802, 81985604]

約数ペア:

[(1, 81985604), (2, 40992802), (4, 20496401), (191, 429244), (239, 343036), (382, 214622), (449, 182596), (478, 171518), (764, 107311), (898, 91298), (956, 85759), (1796, 45649)]