201990928

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{839}}^1$

素因数の和:1255

約数の個数: 40

約数和(自身を含む): 402474240

約数和(自身を除く): 200483312

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 367, 656, 734, 839, 1468, 1678, 2936, 3356, 5872, 6712, 13424, 15047, 30094, 34399, 60188, 68798, 120376, 137596, 240752, 275192, 307913, 550384, 615826, 1231652, 2463304, 4926608, 12624433, 25248866, 50497732, 100995464, 201990928]

約数ペア:

[(1, 201990928), (2, 100995464), (4, 50497732), (8, 25248866), (16, 12624433), (41, 4926608), (82, 2463304), (164, 1231652), (328, 615826), (367, 550384), (656, 307913), (734, 275192), (839, 240752), (1468, 137596), (1678, 120376), (2936, 68798), (3356, 60188), (5872, 34399), (6712, 30094), (13424, 15047)]