81605004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{523109}}^1$

素因数の和:523129

約数の個数: 24

約数和(自身を含む): 205059120

約数和(自身を除く): 123454116

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 523109, 1046218, 1569327, 2092436, 3138654, 6277308, 6800417, 13600834, 20401251, 27201668, 40802502, 81605004]

約数ペア:

[(1, 81605004), (2, 40802502), (3, 27201668), (4, 20401251), (6, 13600834), (12, 6800417), (13, 6277308), (26, 3138654), (39, 2092436), (52, 1569327), (78, 1046218), (156, 523109)]