17998321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1212

約数の個数: 16

約数和(自身を含む): 20717568

約数和(自身を除く): 2719247

約数列:

[1, 11, 31, 47, 341, 517, 1123, 1457, 12353, 16027, 34813, 52781, 382943, 580591, 1636211, 17998321]

約数ペア:

[(1, 17998321), (11, 1636211), (31, 580591), (47, 382943), (341, 52781), (517, 34813), (1123, 16027), (1457, 12353)]