2849905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 3643200

約数和(自身を除く): 793295

約数列:

[1, 5, 19, 95, 131, 229, 655, 1145, 2489, 4351, 12445, 21755, 29999, 149995, 569981, 2849905]

約数ペア:

[(1, 2849905), (5, 569981), (19, 149995), (95, 29999), (131, 21755), (229, 12445), (655, 4351), (1145, 2489)]