81562676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^2\times {\mathrm{137}}^1$

素因数の和:368

約数の個数: 36

約数和(自身を含む): 156296868

約数和(自身を除く): 74734192

約数列:

[1, 2, 4, 13, 26, 52, 107, 137, 214, 274, 428, 548, 1391, 1781, 2782, 3562, 5564, 7124, 11449, 14659, 22898, 29318, 45796, 58636, 148837, 190567, 297674, 381134, 595348, 762268, 1568513, 3137026, 6274052, 20390669, 40781338, 81562676]

約数ペア:

[(1, 81562676), (2, 40781338), (4, 20390669), (13, 6274052), (26, 3137026), (52, 1568513), (107, 762268), (137, 595348), (214, 381134), (274, 297674), (428, 190567), (548, 148837), (1391, 58636), (1781, 45796), (2782, 29318), (3562, 22898), (5564, 14659), (7124, 11449)]