15397690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19997}}^1$

素因数の和:20022

約数の個数: 32

約数和(自身を含む): 34556544

約数和(自身を除く): 19158854

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 19997, 39994, 99985, 139979, 199970, 219967, 279958, 439934, 699895, 1099835, 1399790, 1539769, 2199670, 3079538, 7698845, 15397690]

約数ペア:

[(1, 15397690), (2, 7698845), (5, 3079538), (7, 2199670), (10, 1539769), (11, 1399790), (14, 1099835), (22, 699895), (35, 439934), (55, 279958), (70, 219967), (77, 199970), (110, 139979), (154, 99985), (385, 39994), (770, 19997)]