2666889968

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{318701}}^1$

素因数の和:319232

約数の個数: 20

約数和(自身を含む): 5176995288

約数和(自身を除く): 2510105320

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 4184, 8368, 318701, 637402, 1274804, 2549608, 5099216, 166680623, 333361246, 666722492, 1333444984, 2666889968]

約数ペア:

[(1, 2666889968), (2, 1333444984), (4, 666722492), (8, 333361246), (16, 166680623), (523, 5099216), (1046, 2549608), (2092, 1274804), (4184, 637402), (8368, 318701)]