81342586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2521}}^1$

素因数の和:2626

約数の個数: 32

約数和(自身を含む): 141090768

約数和(自身を除く): 59748182

約数列:

[1, 2, 13, 17, 26, 34, 73, 146, 221, 442, 949, 1241, 1898, 2482, 2521, 5042, 16133, 32266, 32773, 42857, 65546, 85714, 184033, 368066, 557141, 1114282, 2392429, 3128561, 4784858, 6257122, 40671293, 81342586]

約数ペア:

[(1, 81342586), (2, 40671293), (13, 6257122), (17, 4784858), (26, 3128561), (34, 2392429), (73, 1114282), (146, 557141), (221, 368066), (442, 184033), (949, 85714), (1241, 65546), (1898, 42857), (2482, 32773), (2521, 32266), (5042, 16133)]