128425388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{352817}}^1$

素因数の和:352841

約数の個数: 24

約数和(自身を含む): 276609312

約数和(自身を除く): 148183924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 352817, 705634, 1411268, 2469719, 4586621, 4939438, 9173242, 9878876, 18346484, 32106347, 64212694, 128425388]

約数ペア:

[(1, 128425388), (2, 64212694), (4, 32106347), (7, 18346484), (13, 9878876), (14, 9173242), (26, 4939438), (28, 4586621), (52, 2469719), (91, 1411268), (182, 705634), (364, 352817)]