640260942

素因数分解:

$2^1\times 3^1\times {\mathrm{8923}}^1\times {\mathrm{11959}}^1$

素因数の和:20887

約数の個数: 16

約数和(自身を含む): 1280772480

約数和(自身を除く): 640511538

約数列:

[1, 2, 3, 6, 8923, 11959, 17846, 23918, 26769, 35877, 53538, 71754, 106710157, 213420314, 320130471, 640260942]

約数ペア:

[(1, 640260942), (2, 320130471), (3, 213420314), (6, 106710157), (8923, 71754), (11959, 53538), (17846, 35877), (23918, 26769)]