216882841

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{2273}}^1$

素因数の和:2640

約数の個数: 16

約数和(自身を含む): 254542464

約数和(自身を除く): 37659623

約数列:

[1, 7, 43, 301, 317, 2219, 2273, 13631, 15911, 95417, 97739, 684173, 720541, 5043787, 30983263, 216882841]

約数ペア:

[(1, 216882841), (7, 30983263), (43, 5043787), (301, 720541), (317, 684173), (2219, 97739), (2273, 95417), (13631, 15911)]