12155990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15787}}^1$

素因数の和:15812

約数の個数: 32

約数和(自身を含む): 27281664

約数和(自身を除く): 15125674

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 15787, 31574, 78935, 110509, 157870, 173657, 221018, 347314, 552545, 868285, 1105090, 1215599, 1736570, 2431198, 6077995, 12155990]

約数ペア:

[(1, 12155990), (2, 6077995), (5, 2431198), (7, 1736570), (10, 1215599), (11, 1105090), (14, 868285), (22, 552545), (35, 347314), (55, 221018), (70, 173657), (77, 157870), (110, 110509), (154, 78935), (385, 31574), (770, 15787)]