72109624

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{209621}}^1$

素因数の和:209670

約数の個数: 16

約数和(自身を含む): 138350520

約数和(自身を除く): 66240896

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 209621, 419242, 838484, 1676968, 9013703, 18027406, 36054812, 72109624]

約数ペア:

[(1, 72109624), (2, 36054812), (4, 18027406), (8, 9013703), (43, 1676968), (86, 838484), (172, 419242), (344, 209621)]