666561488

素因数分解:

$2^4\times {\mathrm{613}}^1\times {\mathrm{67961}}^1$

素因数の和:68582

約数の個数: 20

約数和(自身を含む): 1293588708

約数和(自身を除く): 627027220

約数列:

[1, 2, 4, 8, 16, 613, 1226, 2452, 4904, 9808, 67961, 135922, 271844, 543688, 1087376, 41660093, 83320186, 166640372, 333280744, 666561488]

約数ペア:

[(1, 666561488), (2, 333280744), (4, 166640372), (8, 83320186), (16, 41660093), (613, 1087376), (1226, 543688), (2452, 271844), (4904, 135922), (9808, 67961)]