13208515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{541}}^1$

素因数の和:822

約数の個数: 16

約数和(自身を含む): 16780320

約数和(自身を除く): 3571805

約数列:

[1, 5, 19, 95, 257, 541, 1285, 2705, 4883, 10279, 24415, 51395, 139037, 695185, 2641703, 13208515]

約数ペア:

[(1, 13208515), (5, 2641703), (19, 695185), (95, 139037), (257, 51395), (541, 24415), (1285, 10279), (2705, 4883)]