81613112

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6907}}^1$

素因数の和:7131

約数の個数: 32

約数和(自身を含む): 175739520

約数和(自身を除く): 94126408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1688, 2954, 5908, 6907, 11816, 13814, 27628, 48349, 55256, 96698, 193396, 386792, 1457377, 2914754, 5829508, 10201639, 11659016, 20403278, 40806556, 81613112]

約数ペア:

[(1, 81613112), (2, 40806556), (4, 20403278), (7, 11659016), (8, 10201639), (14, 5829508), (28, 2914754), (56, 1457377), (211, 386792), (422, 193396), (844, 96698), (1477, 55256), (1688, 48349), (2954, 27628), (5908, 13814), (6907, 11816)]