678742568

素因数分解:

$2^3\times 7^1\times {\mathrm{12120403}}^1$

素因数の和:12120416

約数の個数: 16

約数和(自身を含む): 1454448480

約数和(自身を除く): 775705912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 12120403, 24240806, 48481612, 84842821, 96963224, 169685642, 339371284, 678742568]

約数ペア:

[(1, 678742568), (2, 339371284), (4, 169685642), (7, 96963224), (8, 84842821), (14, 48481612), (28, 24240806), (56, 12120403)]