261153358

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{787}}^1\times {\mathrm{1999}}^1$

素因数の和:2871

約数の個数: 16

約数和(自身を含む): 397152000

約数和(自身を除く): 135998642

約数列:

[1, 2, 83, 166, 787, 1574, 1999, 3998, 65321, 130642, 165917, 331834, 1573213, 3146426, 130576679, 261153358]

約数ペア:

[(1, 261153358), (2, 130576679), (83, 3146426), (166, 1573213), (787, 331834), (1574, 165917), (1999, 130642), (3998, 65321)]