16678970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21661}}^1$

素因数の和:21686

約数の個数: 32

約数和(自身を含む): 37431936

約数和(自身を除く): 20752966

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 21661, 43322, 108305, 151627, 216610, 238271, 303254, 476542, 758135, 1191355, 1516270, 1667897, 2382710, 3335794, 8339485, 16678970]

約数ペア:

[(1, 16678970), (2, 8339485), (5, 3335794), (7, 2382710), (10, 1667897), (11, 1516270), (14, 1191355), (22, 758135), (35, 476542), (55, 303254), (70, 238271), (77, 216610), (110, 151627), (154, 108305), (385, 43322), (770, 21661)]