90305887

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{1451}}^1$

素因数の和:1998

約数の個数: 16

約数和(自身を含む): 109562112

約数和(自身を除く): 19256225

約数列:

[1, 7, 17, 119, 523, 1451, 3661, 8891, 10157, 24667, 62237, 172669, 758873, 5312111, 12900841, 90305887]

約数ペア:

[(1, 90305887), (7, 12900841), (17, 5312111), (119, 758873), (523, 172669), (1451, 62237), (3661, 24667), (8891, 10157)]