1218294889

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{3847}}^1$

素因数の和:4165

約数の個数: 24

約数和(自身を含む): 1484466048

約数和(自身を除く): 266171159

約数列:

[1, 7, 23, 49, 161, 281, 1127, 1967, 3847, 6463, 13769, 26929, 45241, 88481, 188503, 316687, 619367, 1081007, 4335569, 7567049, 24863161, 52969343, 174042127, 1218294889]

約数ペア:

[(1, 1218294889), (7, 174042127), (23, 52969343), (49, 24863161), (161, 7567049), (281, 4335569), (1127, 1081007), (1967, 619367), (3847, 316687), (6463, 188503), (13769, 88481), (26929, 45241)]