201991192

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{9859}}^1$

素因数の和:10075

約数の個数: 32

約数和(自身を含む): 409978800

約数和(自身を除く): 207987608

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 1576, 2561, 5122, 9859, 10244, 19718, 20488, 39436, 78872, 128167, 256334, 512668, 1025336, 1942223, 3884446, 7768892, 15537784, 25248899, 50497798, 100995596, 201991192]

約数ペア:

[(1, 201991192), (2, 100995596), (4, 50497798), (8, 25248899), (13, 15537784), (26, 7768892), (52, 3884446), (104, 1942223), (197, 1025336), (394, 512668), (788, 256334), (1576, 128167), (2561, 78872), (5122, 39436), (9859, 20488), (10244, 19718)]