1289487.00000000

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 36

約数和(自身を含む): 39681180

約数和(自身を除く): 18860872

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 109, 212, 218, 436, 901, 1802, 1853, 2809, 3604, 3706, 5618, 5777, 7412, 11236, 11554, 23108, 47753, 95506, 98209, 191012, 196418, 306181, 392836, 612362, 1224724, 5205077, 10410154, 20820308]

約数ペア:

[(1, 20820308), (2, 10410154), (4, 5205077), (17, 1224724), (34, 612362), (53, 392836), (68, 306181), (106, 196418), (109, 191012), (212, 98209), (218, 95506), (436, 47753), (901, 23108), (1802, 11554), (1853, 11236), (2809, 7412), (3604, 5777), (3706, 5618)]