220851215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1049}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 296352000

約数和(自身を除く): 75500785

約数列:

[1, 5, 13, 41, 65, 79, 205, 395, 533, 1027, 1049, 2665, 3239, 5135, 5245, 13637, 16195, 42107, 43009, 68185, 82871, 210535, 215045, 414355, 559117, 1077323, 2795585, 3397711, 5386615, 16988555, 44170243, 220851215]

約数ペア:

[(1, 220851215), (5, 44170243), (13, 16988555), (41, 5386615), (65, 3397711), (79, 2795585), (205, 1077323), (395, 559117), (533, 414355), (1027, 215045), (1049, 210535), (2665, 82871), (3239, 68185), (5135, 43009), (5245, 42107), (13637, 16195)]