208688376

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{668873}}^1$

素因数の和:668895

約数の個数: 32

約数和(自身を含む): 561854160

約数和(自身を除く): 353165784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 668873, 1337746, 2006619, 2675492, 4013238, 5350984, 8026476, 8695349, 16052952, 17390698, 26086047, 34781396, 52172094, 69562792, 104344188, 208688376]

約数ペア:

[(1, 208688376), (2, 104344188), (3, 69562792), (4, 52172094), (6, 34781396), (8, 26086047), (12, 17390698), (13, 16052952), (24, 8695349), (26, 8026476), (39, 5350984), (52, 4013238), (78, 2675492), (104, 2006619), (156, 1337746), (312, 668873)]