388331372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{678901}}^1$

素因数の和:678929

約数の個数: 24

約数和(自身を含む): 798388752

約数和(自身を除く): 410057380

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 678901, 1357802, 2715604, 7467911, 8825713, 14935822, 17651426, 29871644, 35302852, 97082843, 194165686, 388331372]

約数ペア:

[(1, 388331372), (2, 194165686), (4, 97082843), (11, 35302852), (13, 29871644), (22, 17651426), (26, 14935822), (44, 8825713), (52, 7467911), (143, 2715604), (286, 1357802), (572, 678901)]