12968345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1523}}^1$

素因数の和:1672

約数の個数: 16

約数和(自身を含む): 16898112

約数和(自身を除く): 3929767

約数列:

[1, 5, 13, 65, 131, 655, 1523, 1703, 7615, 8515, 19799, 98995, 199513, 997565, 2593669, 12968345]

約数ペア:

[(1, 12968345), (5, 2593669), (13, 997565), (65, 199513), (131, 98995), (655, 19799), (1523, 8515), (1703, 7615)]