13256220475

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{761}}^1\times {\mathrm{2411}}^1$

素因数の和:3216

約数の個数: 36

約数和(自身を含む): 17491713048

約数和(自身を除く): 4235492573

約数列:

[1, 5, 17, 25, 85, 289, 425, 761, 1445, 2411, 3805, 7225, 12055, 12937, 19025, 40987, 60275, 64685, 204935, 219929, 323425, 696779, 1024675, 1099645, 1834771, 3483895, 5498225, 9173855, 17419475, 31191107, 45869275, 155955535, 530248819, 779777675, 2651244095, 13256220475]

約数ペア:

[(1, 13256220475), (5, 2651244095), (17, 779777675), (25, 530248819), (85, 155955535), (289, 45869275), (425, 31191107), (761, 17419475), (1445, 9173855), (2411, 5498225), (3805, 3483895), (7225, 1834771), (12055, 1099645), (12937, 1024675), (19025, 696779), (40987, 323425), (60275, 219929), (64685, 204935)]