201990608

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{2143}}^1$

素因数の和:2331

約数の個数: 40

約数和(自身を含む): 403569408

約数和(自身を除く): 201578800

約数列:

[1, 2, 4, 8, 16, 43, 86, 137, 172, 274, 344, 548, 688, 1096, 2143, 2192, 4286, 5891, 8572, 11782, 17144, 23564, 34288, 47128, 92149, 94256, 184298, 293591, 368596, 587182, 737192, 1174364, 1474384, 2348728, 4697456, 12624413, 25248826, 50497652, 100995304, 201990608]

約数ペア:

[(1, 201990608), (2, 100995304), (4, 50497652), (8, 25248826), (16, 12624413), (43, 4697456), (86, 2348728), (137, 1474384), (172, 1174364), (274, 737192), (344, 587182), (548, 368596), (688, 293591), (1096, 184298), (2143, 94256), (2192, 92149), (4286, 47128), (5891, 34288), (8572, 23564), (11782, 17144)]