220186448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{2081}}^1$

素因数の和:2495

約数の個数: 40

約数和(自身を含む): 453084840

約数和(自身を除く): 232898392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 389, 778, 1556, 2081, 3112, 4162, 6224, 6613, 8324, 13226, 16648, 26452, 33296, 35377, 52904, 70754, 105808, 141508, 283016, 566032, 809509, 1619018, 3238036, 6476072, 12952144, 13761653, 27523306, 55046612, 110093224, 220186448]

約数ペア:

[(1, 220186448), (2, 110093224), (4, 55046612), (8, 27523306), (16, 13761653), (17, 12952144), (34, 6476072), (68, 3238036), (136, 1619018), (272, 809509), (389, 566032), (778, 283016), (1556, 141508), (2081, 105808), (3112, 70754), (4162, 52904), (6224, 35377), (6613, 33296), (8324, 26452), (13226, 16648)]