123258212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2011}}^1$

素因数の和:2232

約数の個数: 48

約数和(自身を含む): 270412800

約数和(自身を除く): 147154588

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 199, 308, 398, 796, 1393, 2011, 2189, 2786, 4022, 4378, 5572, 8044, 8756, 14077, 15323, 22121, 28154, 30646, 44242, 56308, 61292, 88484, 154847, 309694, 400189, 619388, 800378, 1600756, 2801323, 4402079, 5602646, 8804158, 11205292, 17608316, 30814553, 61629106, 123258212]

約数ペア:

[(1, 123258212), (2, 61629106), (4, 30814553), (7, 17608316), (11, 11205292), (14, 8804158), (22, 5602646), (28, 4402079), (44, 2801323), (77, 1600756), (154, 800378), (199, 619388), (308, 400189), (398, 309694), (796, 154847), (1393, 88484), (2011, 61292), (2189, 56308), (2786, 44242), (4022, 30646), (4378, 28154), (5572, 22121), (8044, 15323), (8756, 14077)]