81125004

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157219}}^1$

素因数の和:157269

約数の個数: 24

約数和(自身を含む): 193695040

約数和(自身を除く): 112570036

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 157219, 314438, 471657, 628876, 943314, 1886628, 6760417, 13520834, 20281251, 27041668, 40562502, 81125004]

約数ペア:

[(1, 81125004), (2, 40562502), (3, 27041668), (4, 20281251), (6, 13520834), (12, 6760417), (43, 1886628), (86, 943314), (129, 628876), (172, 471657), (258, 314438), (516, 157219)]