2478245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 3822336

約数和(自身を除く): 1344091

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 157, 205, 287, 385, 451, 785, 1099, 1435, 1727, 2255, 3157, 5495, 6437, 8635, 12089, 15785, 32185, 45059, 60445, 70807, 225295, 354035, 495649, 2478245]

約数ペア:

[(1, 2478245), (5, 495649), (7, 354035), (11, 225295), (35, 70807), (41, 60445), (55, 45059), (77, 32185), (157, 15785), (205, 12089), (287, 8635), (385, 6437), (451, 5495), (785, 3157), (1099, 2255), (1435, 1727)]