223815215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{80077}}^1$

素因数の和:80138

約数の個数: 16

約数和(自身を含む): 295968288

約数和(自身を除く): 72153073

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 80077, 400385, 1041001, 3443311, 5205005, 17216555, 44763043, 223815215]

約数ペア:

[(1, 223815215), (5, 44763043), (13, 17216555), (43, 5205005), (65, 3443311), (215, 1041001), (559, 400385), (2795, 80077)]