64740193

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{2663}}^1$

素因数の和:2844

約数の個数: 16

約数和(自身を含む): 77746176

約数和(自身を除く): 13005983

約数列:

[1, 7, 23, 151, 161, 1057, 2663, 3473, 18641, 24311, 61249, 402113, 428743, 2814791, 9248599, 64740193]

約数ペア:

[(1, 64740193), (7, 9248599), (23, 2814791), (151, 428743), (161, 402113), (1057, 61249), (2663, 24311), (3473, 18641)]