13221505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 17379648

約数和(自身を除く): 4158143

約数列:

[1, 5, 11, 55, 421, 571, 2105, 2855, 4631, 6281, 23155, 31405, 240391, 1201955, 2644301, 13221505]

約数ペア:

[(1, 13221505), (5, 2644301), (11, 1201955), (55, 240391), (421, 31405), (571, 23155), (2105, 6281), (2855, 4631)]