398836991

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{6151}}^1$

素因数の和:6374

約数の個数: 16

約数和(自身を含む): 466567680

約数和(自身を除く): 67730689

約数列:

[1, 7, 59, 157, 413, 1099, 6151, 9263, 43057, 64841, 362909, 965707, 2540363, 6759949, 56976713, 398836991]

約数ペア:

[(1, 398836991), (7, 56976713), (59, 6759949), (157, 2540363), (413, 965707), (1099, 362909), (6151, 64841), (9263, 43057)]