1211111713

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{203309}}^1$

素因数の和:203376

約数の個数: 16

約数和(自身を含む): 1483349760

約数和(自身を除く): 272238047

約数列:

[1, 7, 23, 37, 161, 259, 851, 5957, 203309, 1423163, 4676107, 7522433, 32732749, 52657031, 173015959, 1211111713]

約数ペア:

[(1, 1211111713), (7, 173015959), (23, 52657031), (37, 32732749), (161, 7522433), (259, 4676107), (851, 1423163), (5957, 203309)]