1947679993

素因数分解:

$7^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1\times {\mathrm{8263}}^1$

素因数の和:8644

約数の個数: 16

約数和(自身を含む): 2250981376

約数和(自身を除く): 303301383

約数列:

[1, 7, 151, 223, 1057, 1561, 8263, 33673, 57841, 235711, 1247713, 1842649, 8733991, 12898543, 278239999, 1947679993]

約数ペア:

[(1, 1947679993), (7, 278239999), (151, 12898543), (223, 8733991), (1057, 1842649), (1561, 1247713), (8263, 235711), (33673, 57841)]