217947455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1451}}^1\times {\mathrm{2731}}^1$

素因数の和:4198

約数の個数: 16

約数和(自身を含む): 285614208

約数和(自身を除く): 67666753

約数列:

[1, 5, 11, 55, 1451, 2731, 7255, 13655, 15961, 30041, 79805, 150205, 3962681, 19813405, 43589491, 217947455]

約数ペア:

[(1, 217947455), (5, 43589491), (11, 19813405), (55, 3962681), (1451, 150205), (2731, 79805), (7255, 30041), (13655, 15961)]