81669610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{7351}}^1$

素因数の和:7470

約数の個数: 32

約数和(自身を含む): 161979264

約数和(自身を除く): 80309654

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 7351, 11110, 14702, 36755, 73510, 80861, 161722, 404305, 742451, 808610, 1484902, 3712255, 7424510, 8166961, 16333922, 40834805, 81669610]

約数ペア:

[(1, 81669610), (2, 40834805), (5, 16333922), (10, 8166961), (11, 7424510), (22, 3712255), (55, 1484902), (101, 808610), (110, 742451), (202, 404305), (505, 161722), (1010, 80861), (1111, 73510), (2222, 36755), (5555, 14702), (7351, 11110)]