2021008912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{76507}}^1$

素因数の和:76655

約数の個数: 40

約数和(自身を含む): 4250172416

約数和(自身を除く): 2229163504

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1651, 2032, 3302, 6604, 13208, 26416, 76507, 153014, 306028, 612056, 994591, 1224112, 1989182, 3978364, 7956728, 9716389, 15913456, 19432778, 38865556, 77731112, 126313057, 155462224, 252626114, 505252228, 1010504456, 2021008912]

約数ペア:

[(1, 2021008912), (2, 1010504456), (4, 505252228), (8, 252626114), (13, 155462224), (16, 126313057), (26, 77731112), (52, 38865556), (104, 19432778), (127, 15913456), (208, 9716389), (254, 7956728), (508, 3978364), (1016, 1989182), (1651, 1224112), (2032, 994591), (3302, 612056), (6604, 306028), (13208, 153014), (26416, 76507)]