81390564

素因数分解:

$2^2\times 3^2\times {\mathrm{383}}^1\times {\mathrm{5903}}^1$

素因数の和:6296

約数の個数: 36

約数和(自身を含む): 206309376

約数和(自身を除く): 124918812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 383, 766, 1149, 1532, 2298, 3447, 4596, 5903, 6894, 11806, 13788, 17709, 23612, 35418, 53127, 70836, 106254, 212508, 2260849, 4521698, 6782547, 9043396, 13565094, 20347641, 27130188, 40695282, 81390564]

約数ペア:

[(1, 81390564), (2, 40695282), (3, 27130188), (4, 20347641), (6, 13565094), (9, 9043396), (12, 6782547), (18, 4521698), (36, 2260849), (383, 212508), (766, 106254), (1149, 70836), (1532, 53127), (2298, 35418), (3447, 23612), (4596, 17709), (5903, 13788), (6894, 11806)]