90807784

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{1103}}^1$

素因数の和:1401

約数の個数: 32

約数和(自身を含む): 175271040

約数和(自身を除く): 84463256

約数列:

[1, 2, 4, 8, 41, 82, 164, 251, 328, 502, 1004, 1103, 2008, 2206, 4412, 8824, 10291, 20582, 41164, 45223, 82328, 90446, 180892, 276853, 361784, 553706, 1107412, 2214824, 11350973, 22701946, 45403892, 90807784]

約数ペア:

[(1, 90807784), (2, 45403892), (4, 22701946), (8, 11350973), (41, 2214824), (82, 1107412), (164, 553706), (251, 361784), (328, 276853), (502, 180892), (1004, 90446), (1103, 82328), (2008, 45223), (2206, 41164), (4412, 20582), (8824, 10291)]