81406468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{142319}}^1$

素因数の和:142347

約数の個数: 24

約数和(自身を含む): 167368320

約数和(自身を除く): 85961852

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 142319, 284638, 569276, 1565509, 1850147, 3131018, 3700294, 6262036, 7400588, 20351617, 40703234, 81406468]

約数ペア:

[(1, 81406468), (2, 40703234), (4, 20351617), (11, 7400588), (13, 6262036), (22, 3700294), (26, 3131018), (44, 1850147), (52, 1565509), (143, 569276), (286, 284638), (572, 142319)]