81785396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2027}}^1$

素因数の和:2180

約数の個数: 48

約数和(自身を含む): 179891712

約数和(自身を除く): 98106316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 131, 154, 262, 308, 524, 917, 1441, 1834, 2027, 2882, 3668, 4054, 5764, 8108, 10087, 14189, 20174, 22297, 28378, 40348, 44594, 56756, 89188, 156079, 265537, 312158, 531074, 624316, 1062148, 1858759, 2920907, 3717518, 5841814, 7435036, 11683628, 20446349, 40892698, 81785396]

約数ペア:

[(1, 81785396), (2, 40892698), (4, 20446349), (7, 11683628), (11, 7435036), (14, 5841814), (22, 3717518), (28, 2920907), (44, 1858759), (77, 1062148), (131, 624316), (154, 531074), (262, 312158), (308, 265537), (524, 156079), (917, 89188), (1441, 56756), (1834, 44594), (2027, 40348), (2882, 28378), (3668, 22297), (4054, 20174), (5764, 14189), (8108, 10087)]