2559856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:449

約数の個数: 40

約数和(自身を含む): 5527424

約数和(自身を除く): 2967568

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 397, 403, 496, 794, 806, 1588, 1612, 3176, 3224, 5161, 6352, 6448, 10322, 12307, 20644, 24614, 41288, 49228, 82576, 98456, 159991, 196912, 319982, 639964, 1279928, 2559856]

約数ペア:

[(1, 2559856), (2, 1279928), (4, 639964), (8, 319982), (13, 196912), (16, 159991), (26, 98456), (31, 82576), (52, 49228), (62, 41288), (104, 24614), (124, 20644), (208, 12307), (248, 10322), (397, 6448), (403, 6352), (496, 5161), (794, 3224), (806, 3176), (1588, 1612)]