251017218

素因数分解:

$2^1\times 3^4\times {\mathrm{1549489}}^1$

素因数の和:1549503

約数の個数: 20

約数和(自身を含む): 562464870

約数和(自身を除く): 311447652

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1549489, 3098978, 4648467, 9296934, 13945401, 27890802, 41836203, 83672406, 125508609, 251017218]

約数ペア:

[(1, 251017218), (2, 125508609), (3, 83672406), (6, 41836203), (9, 27890802), (18, 13945401), (27, 9296934), (54, 4648467), (81, 3098978), (162, 1549489)]