26781872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:741

約数の個数: 40

約数和(自身を含む): 56194320

約数和(自身を除く): 29412448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331, 389, 662, 778, 1324, 1556, 2648, 3112, 4303, 5057, 5296, 6224, 8606, 10114, 17212, 20228, 34424, 40456, 68848, 80912, 128759, 257518, 515036, 1030072, 1673867, 2060144, 3347734, 6695468, 13390936, 26781872]

約数ペア:

[(1, 26781872), (2, 13390936), (4, 6695468), (8, 3347734), (13, 2060144), (16, 1673867), (26, 1030072), (52, 515036), (104, 257518), (208, 128759), (331, 80912), (389, 68848), (662, 40456), (778, 34424), (1324, 20228), (1556, 17212), (2648, 10114), (3112, 8606), (4303, 6224), (5057, 5296)]