13156985

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 16251840

約数和(自身を除く): 3094855

約数列:

[1, 5, 53, 131, 265, 379, 655, 1895, 6943, 20087, 34715, 49649, 100435, 248245, 2631397, 13156985]

約数ペア:

[(1, 13156985), (5, 2631397), (53, 248245), (131, 100435), (265, 49649), (379, 34715), (655, 20087), (1895, 6943)]