289763705

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1361}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 447171840

約数和(自身を除く): 157408135

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 79, 245, 385, 395, 539, 553, 869, 1361, 2695, 2765, 3871, 4345, 6083, 6805, 9527, 14971, 19355, 30415, 42581, 47635, 66689, 74855, 104797, 107519, 212905, 333445, 523985, 537595, 733579, 752633, 1182709, 3667895, 3763165, 5268431, 5913545, 8278963, 26342155, 41394815, 57952741, 289763705]

約数ペア:

[(1, 289763705), (5, 57952741), (7, 41394815), (11, 26342155), (35, 8278963), (49, 5913545), (55, 5268431), (77, 3763165), (79, 3667895), (245, 1182709), (385, 752633), (395, 733579), (539, 537595), (553, 523985), (869, 333445), (1361, 212905), (2695, 107519), (2765, 104797), (3871, 74855), (4345, 66689), (6083, 47635), (6805, 42581), (9527, 30415), (14971, 19355)]