81720588

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{219679}}^1$

素因数の和:219717

約数の個数: 24

約数和(自身を含む): 196833280

約数和(自身を除く): 115112692

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 219679, 439358, 659037, 878716, 1318074, 2636148, 6810049, 13620098, 20430147, 27240196, 40860294, 81720588]

約数ペア:

[(1, 81720588), (2, 40860294), (3, 27240196), (4, 20430147), (6, 13620098), (12, 6810049), (31, 2636148), (62, 1318074), (93, 878716), (124, 659037), (186, 439358), (372, 219679)]