81950236

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{21319}}^1$

素因数の和:21385

約数の個数: 18

約数和(自身を含む): 148195320

約数和(自身を除く): 66245084

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 21319, 42638, 85276, 660889, 1321778, 2643556, 20487559, 40975118, 81950236]

約数ペア:

[(1, 81950236), (2, 40975118), (4, 20487559), (31, 2643556), (62, 1321778), (124, 660889), (961, 85276), (1922, 42638), (3844, 21319)]