81267578

素因数分解:

$2^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{6053}}^1$

素因数の和:6206

約数の個数: 24

約数和(自身を含む): 142862292

約数和(自身を除く): 61594714

約数列:

[1, 2, 7, 14, 49, 98, 137, 274, 959, 1918, 6053, 6713, 12106, 13426, 42371, 84742, 296597, 593194, 829261, 1658522, 5804827, 11609654, 40633789, 81267578]

約数ペア:

[(1, 81267578), (2, 40633789), (7, 11609654), (14, 5804827), (49, 1658522), (98, 829261), (137, 593194), (274, 296597), (959, 84742), (1918, 42371), (6053, 13426), (6713, 12106)]