2661178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5387}}^1$

素因数の和:5421

約数の個数: 16

約数和(自身を含む): 4525920

約数和(自身を除く): 1864742

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 5387, 10774, 70031, 102353, 140062, 204706, 1330589, 2661178]

約数ペア:

[(1, 2661178), (2, 1330589), (13, 204706), (19, 140062), (26, 102353), (38, 70031), (247, 10774), (494, 5387)]