397468636

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{343831}}^1$

素因数の和:343869

約数の個数: 18

約数和(自身を含む): 738894968

約数和(自身を除く): 341426332

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 343831, 687662, 1375324, 5845127, 11690254, 23380508, 99367159, 198734318, 397468636]

約数ペア:

[(1, 397468636), (2, 198734318), (4, 99367159), (17, 23380508), (34, 11690254), (68, 5845127), (289, 1375324), (578, 687662), (1156, 343831)]