81310424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41149}}^1$

素因数の和:41187

約数の個数: 32

約数和(自身を含む): 172830000

約数和(自身を除く): 91519576

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 41149, 82298, 164596, 329192, 534937, 781831, 1069874, 1563662, 2139748, 3127324, 4279496, 6254648, 10163803, 20327606, 40655212, 81310424]

約数ペア:

[(1, 81310424), (2, 40655212), (4, 20327606), (8, 10163803), (13, 6254648), (19, 4279496), (26, 3127324), (38, 2139748), (52, 1563662), (76, 1069874), (104, 781831), (152, 534937), (247, 329192), (494, 164596), (988, 82298), (1976, 41149)]