28367098448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136380281}}^1$

素因数の和:136380302

約数の個数: 20

約数和(自身を含む): 59189042388

約数和(自身を除く): 30821943940

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136380281, 272760562, 545521124, 1091042248, 1772943653, 2182084496, 3545887306, 7091774612, 14183549224, 28367098448]

約数ペア:

[(1, 28367098448), (2, 14183549224), (4, 7091774612), (8, 3545887306), (13, 2182084496), (16, 1772943653), (26, 1091042248), (52, 545521124), (104, 272760562), (208, 136380281)]