31354986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{401987}}^1$

素因数の和:402005

約数の個数: 16

約数和(自身を含む): 67533984

約数和(自身を除く): 36178998

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 401987, 803974, 1205961, 2411922, 5225831, 10451662, 15677493, 31354986]

約数ペア:

[(1, 31354986), (2, 15677493), (3, 10451662), (6, 5225831), (13, 2411922), (26, 1205961), (39, 803974), (78, 401987)]