219040591

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{18119}}^1$

素因数の和:18294

約数の個数: 16

約数和(自身を含む): 274844160

約数和(自身を除く): 55803569

約数列:

[1, 7, 11, 77, 157, 1099, 1727, 12089, 18119, 126833, 199309, 1395163, 2844683, 19912781, 31291513, 219040591]

約数ペア:

[(1, 219040591), (7, 31291513), (11, 19912781), (77, 2844683), (157, 1395163), (1099, 199309), (1727, 126833), (12089, 18119)]