28399868

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 59243520

約数和(自身を除く): 30843652

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 79, 148, 158, 259, 316, 347, 518, 553, 694, 1036, 1106, 1388, 2212, 2429, 2923, 4858, 5846, 9716, 11692, 12839, 20461, 25678, 27413, 40922, 51356, 54826, 81844, 89873, 109652, 179746, 191891, 359492, 383782, 767564, 1014281, 2028562, 4057124, 7099967, 14199934, 28399868]

約数ペア:

[(1, 28399868), (2, 14199934), (4, 7099967), (7, 4057124), (14, 2028562), (28, 1014281), (37, 767564), (74, 383782), (79, 359492), (148, 191891), (158, 179746), (259, 109652), (316, 89873), (347, 81844), (518, 54826), (553, 51356), (694, 40922), (1036, 27413), (1106, 25678), (1388, 20461), (2212, 12839), (2429, 11692), (2923, 9716), (4858, 5846)]