81171244

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37649}}^1$

素因数の和:37678

約数の個数: 36

約数和(自身を含む): 180268200

約数和(自身を除く): 99096956

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 37649, 75298, 150596, 263543, 414139, 527086, 828278, 1054172, 1656556, 1844801, 2898973, 3689602, 5797946, 7379204, 11595892, 20292811, 40585622, 81171244]

約数ペア:

[(1, 81171244), (2, 40585622), (4, 20292811), (7, 11595892), (11, 7379204), (14, 5797946), (22, 3689602), (28, 2898973), (44, 1844801), (49, 1656556), (77, 1054172), (98, 828278), (154, 527086), (196, 414139), (308, 263543), (539, 150596), (1078, 75298), (2156, 37649)]