31539898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28211}}^1$

素因数の和:28269

約数の個数: 16

約数和(自身を含む): 52135776

約数和(自身を除く): 20595878

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 28211, 56422, 366743, 733486, 1213073, 2426146, 15769949, 31539898]

約数ペア:

[(1, 31539898), (2, 15769949), (13, 2426146), (26, 1213073), (43, 733486), (86, 366743), (559, 56422), (1118, 28211)]