12212215

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 15206400

約数和(自身を除く): 2994185

約数列:

[1, 5, 43, 79, 215, 395, 719, 3397, 3595, 16985, 30917, 56801, 154585, 284005, 2442443, 12212215]

約数ペア:

[(1, 12212215), (5, 2442443), (43, 284005), (79, 154585), (215, 56801), (395, 30917), (719, 16985), (3397, 3595)]