2005258255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{400651}}^1$

素因数の和:400687

約数の個数: 32

約数和(自身を含む): 3230857728

約数和(自身を除く): 1225599473

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 400651, 2003255, 2804557, 4407161, 5208463, 14022785, 22035805, 26042315, 30850127, 36459241, 57293093, 154250635, 182296205, 286465465, 401051651, 2005258255]

約数ペア:

[(1, 2005258255), (5, 401051651), (7, 286465465), (11, 182296205), (13, 154250635), (35, 57293093), (55, 36459241), (65, 30850127), (77, 26042315), (91, 22035805), (143, 14022785), (385, 5208463), (455, 4407161), (715, 2804557), (1001, 2003255), (5005, 400651)]