28705922

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{347}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 52116480

約数和(自身を除く): 23410558

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 311, 347, 622, 694, 2177, 2429, 4354, 4858, 5909, 6593, 11818, 13186, 41363, 46151, 82726, 92302, 107917, 215834, 755419, 1510838, 2050423, 4100846, 14352961, 28705922]

約数ペア:

[(1, 28705922), (2, 14352961), (7, 4100846), (14, 2050423), (19, 1510838), (38, 755419), (133, 215834), (266, 107917), (311, 92302), (347, 82726), (622, 46151), (694, 41363), (2177, 13186), (2429, 11818), (4354, 6593), (4858, 5909)]