81467308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{3217}}^1$

素因数の和:3721

約数の個数: 24

約数和(自身を含む): 153897632

約数和(自身を除く): 72430324

約数列:

[1, 2, 4, 13, 26, 52, 487, 974, 1948, 3217, 6331, 6434, 12662, 12868, 25324, 41821, 83642, 167284, 1566679, 3133358, 6266716, 20366827, 40733654, 81467308]

約数ペア:

[(1, 81467308), (2, 40733654), (4, 20366827), (13, 6266716), (26, 3133358), (52, 1566679), (487, 167284), (974, 83642), (1948, 41821), (3217, 25324), (6331, 12868), (6434, 12662)]