213328105

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1097}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 284601600

約数和(自身を除く): 71273495

約数列:

[1, 5, 19, 23, 89, 95, 115, 437, 445, 1097, 1691, 2047, 2185, 5485, 8455, 10235, 20843, 25231, 38893, 97633, 104215, 126155, 194465, 479389, 488165, 1855027, 2245559, 2396945, 9275135, 11227795, 42665621, 213328105]

約数ペア:

[(1, 213328105), (5, 42665621), (19, 11227795), (23, 9275135), (89, 2396945), (95, 2245559), (115, 1855027), (437, 488165), (445, 479389), (1097, 194465), (1691, 126155), (2047, 104215), (2185, 97633), (5485, 38893), (8455, 25231), (10235, 20843)]