31428865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3691}}^1$

素因数の和:3840

約数の個数: 16

約数和(自身を含む): 40936896

約数和(自身を除く): 9508031

約数列:

[1, 5, 13, 65, 131, 655, 1703, 3691, 8515, 18455, 47983, 239915, 483521, 2417605, 6285773, 31428865]

約数ペア:

[(1, 31428865), (5, 6285773), (13, 2417605), (65, 483521), (131, 239915), (655, 47983), (1703, 18455), (3691, 8515)]