28805684

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^2$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 55334916

約数和(自身を除く): 26529232

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 107, 148, 214, 428, 629, 1258, 1819, 2516, 3638, 3959, 7276, 7918, 11449, 15836, 22898, 45796, 67303, 134606, 194633, 269212, 389266, 423613, 778532, 847226, 1694452, 7201421, 14402842, 28805684]

約数ペア:

[(1, 28805684), (2, 14402842), (4, 7201421), (17, 1694452), (34, 847226), (37, 778532), (68, 423613), (74, 389266), (107, 269212), (148, 194633), (214, 134606), (428, 67303), (629, 45796), (1258, 22898), (1819, 15836), (2516, 11449), (3638, 7918), (3959, 7276)]