8420258

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 16399584

約数和(自身を除く): 7979326

約数列:

[1, 2, 7, 11, 14, 22, 49, 73, 77, 98, 107, 146, 154, 214, 511, 539, 749, 803, 1022, 1078, 1177, 1498, 1606, 2354, 3577, 5243, 5621, 7154, 7811, 8239, 10486, 11242, 15622, 16478, 39347, 54677, 57673, 78694, 85921, 109354, 115346, 171842, 382739, 601447, 765478, 1202894, 4210129, 8420258]

約数ペア:

[(1, 8420258), (2, 4210129), (7, 1202894), (11, 765478), (14, 601447), (22, 382739), (49, 171842), (73, 115346), (77, 109354), (98, 85921), (107, 78694), (146, 57673), (154, 54677), (214, 39347), (511, 16478), (539, 15622), (749, 11242), (803, 10486), (1022, 8239), (1078, 7811), (1177, 7154), (1498, 5621), (1606, 5243), (2354, 3577)]