42778424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21649}}^1$

素因数の和:21687

約数の個数: 32

約数和(自身を含む): 90930000

約数和(自身を除く): 48151576

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 21649, 43298, 86596, 173192, 281437, 411331, 562874, 822662, 1125748, 1645324, 2251496, 3290648, 5347303, 10694606, 21389212, 42778424]

約数ペア:

[(1, 42778424), (2, 21389212), (4, 10694606), (8, 5347303), (13, 3290648), (19, 2251496), (26, 1645324), (38, 1125748), (52, 822662), (76, 562874), (104, 411331), (152, 281437), (247, 173192), (494, 86596), (988, 43298), (1976, 21649)]