2161808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:263

約数の個数: 40

約数和(自身を含む): 4660416

約数和(自身を除く): 2498608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 173, 176, 284, 346, 568, 692, 781, 1136, 1384, 1562, 1903, 2768, 3124, 3806, 6248, 7612, 12283, 12496, 15224, 24566, 30448, 49132, 98264, 135113, 196528, 270226, 540452, 1080904, 2161808]

約数ペア:

[(1, 2161808), (2, 1080904), (4, 540452), (8, 270226), (11, 196528), (16, 135113), (22, 98264), (44, 49132), (71, 30448), (88, 24566), (142, 15224), (173, 12496), (176, 12283), (284, 7612), (346, 6248), (568, 3806), (692, 3124), (781, 2768), (1136, 1903), (1384, 1562)]