409801328

素因数分解:

$2^4\times {\mathrm{823}}^1\times {\mathrm{31121}}^1$

素因数の和:31952

約数の個数: 20

約数和(自身を含む): 794980368

約数和(自身を除く): 385179040

約数列:

[1, 2, 4, 8, 16, 823, 1646, 3292, 6584, 13168, 31121, 62242, 124484, 248968, 497936, 25612583, 51225166, 102450332, 204900664, 409801328]

約数ペア:

[(1, 409801328), (2, 204900664), (4, 102450332), (8, 51225166), (16, 25612583), (823, 497936), (1646, 248968), (3292, 124484), (6584, 62242), (13168, 31121)]