81637096

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{709}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 157833000

約数和(自身を除く): 76195904

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 389, 709, 778, 1418, 1556, 2836, 3112, 5672, 14393, 26233, 28786, 52466, 57572, 104932, 115144, 209864, 275801, 551602, 1103204, 2206408, 10204637, 20409274, 40818548, 81637096]

約数ペア:

[(1, 81637096), (2, 40818548), (4, 20409274), (8, 10204637), (37, 2206408), (74, 1103204), (148, 551602), (296, 275801), (389, 209864), (709, 115144), (778, 104932), (1418, 57572), (1556, 52466), (2836, 28786), (3112, 26233), (5672, 14393)]