285197185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{36871}}^1$

素因数の和:36913

約数の個数: 32

約数和(自身を含む): 446003712

約数和(自身を除く): 160806527

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 36871, 184355, 258097, 479323, 626807, 1290485, 2396615, 3134035, 3355261, 4387649, 8148491, 16776305, 21938245, 40742455, 57039437, 285197185]

約数ペア:

[(1, 285197185), (5, 57039437), (7, 40742455), (13, 21938245), (17, 16776305), (35, 8148491), (65, 4387649), (85, 3355261), (91, 3134035), (119, 2396615), (221, 1290485), (455, 626807), (595, 479323), (1105, 258097), (1547, 184355), (7735, 36871)]