81966605

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{397}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 119667456

約数和(自身を除く): 37700851

約数列:

[1, 5, 7, 17, 35, 85, 119, 347, 397, 595, 1735, 1985, 2429, 2779, 5899, 6749, 12145, 13895, 29495, 33745, 41293, 47243, 137759, 206465, 236215, 688795, 964313, 2341903, 4821565, 11709515, 16393321, 81966605]

約数ペア:

[(1, 81966605), (5, 16393321), (7, 11709515), (17, 4821565), (35, 2341903), (85, 964313), (119, 688795), (347, 236215), (397, 206465), (595, 137759), (1735, 47243), (1985, 41293), (2429, 33745), (2779, 29495), (5899, 13895), (6749, 12145)]