209898388

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{25939}}^1$

素因数の和:25984

約数の個数: 36

約数和(自身を含む): 445960480

約数和(自身を除く): 236062092

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 4046, 8092, 25939, 51878, 103756, 181573, 363146, 440963, 726292, 881926, 1763852, 3086741, 6173482, 7496371, 12346964, 14992742, 29985484, 52474597, 104949194, 209898388]

約数ペア:

[(1, 209898388), (2, 104949194), (4, 52474597), (7, 29985484), (14, 14992742), (17, 12346964), (28, 7496371), (34, 6173482), (68, 3086741), (119, 1763852), (238, 881926), (289, 726292), (476, 440963), (578, 363146), (1156, 181573), (2023, 103756), (4046, 51878), (8092, 25939)]