128173578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1643251}}^1$

素因数の和:1643269

約数の個数: 16

約数和(自身を含む): 276066336

約数和(自身を除く): 147892758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1643251, 3286502, 4929753, 9859506, 21362263, 42724526, 64086789, 128173578]

約数ペア:

[(1, 128173578), (2, 64086789), (3, 42724526), (6, 21362263), (13, 9859506), (26, 4929753), (39, 3286502), (78, 1643251)]