278889104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{2687}}^1$

素因数の和:3207

約数の個数: 40

約数和(自身を含む): 583296000

約数和(自身を除く): 304406896

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 499, 998, 1996, 2687, 3992, 5374, 6487, 7984, 10748, 12974, 21496, 25948, 34931, 42992, 51896, 69862, 103792, 139724, 279448, 558896, 1340813, 2681626, 5363252, 10726504, 17430569, 21453008, 34861138, 69722276, 139444552, 278889104]

約数ペア:

[(1, 278889104), (2, 139444552), (4, 69722276), (8, 34861138), (13, 21453008), (16, 17430569), (26, 10726504), (52, 5363252), (104, 2681626), (208, 1340813), (499, 558896), (998, 279448), (1996, 139724), (2687, 103792), (3992, 69862), (5374, 51896), (6487, 42992), (7984, 34931), (10748, 25948), (12974, 21496)]