81310892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{50441}}^1$

素因数の和:50489

約数の個数: 24

約数和(自身を含む): 158186112

約数和(自身を除く): 76875220

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 50441, 100882, 201764, 655733, 1311466, 1563671, 2622932, 3127342, 6254684, 20327723, 40655446, 81310892]

約数ペア:

[(1, 81310892), (2, 40655446), (4, 20327723), (13, 6254684), (26, 3127342), (31, 2622932), (52, 1563671), (62, 1311466), (124, 655733), (403, 201764), (806, 100882), (1612, 50441)]