209853108

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 540382752

約数和(自身を除く): 330529644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 157, 214, 314, 321, 347, 428, 471, 628, 642, 694, 942, 963, 1041, 1284, 1388, 1413, 1884, 1926, 2082, 2826, 3123, 3852, 4164, 5652, 6246, 12492, 16799, 33598, 37129, 50397, 54479, 67196, 74258, 100794, 108958, 111387, 148516, 151191, 163437, 201588, 217916, 222774, 302382, 326874, 334161, 445548, 490311, 604764, 653748, 668322, 980622, 1336644, 1961244, 5829253, 11658506, 17487759, 23317012, 34975518, 52463277, 69951036, 104926554, 209853108]

約数ペア:

[(1, 209853108), (2, 104926554), (3, 69951036), (4, 52463277), (6, 34975518), (9, 23317012), (12, 17487759), (18, 11658506), (36, 5829253), (107, 1961244), (157, 1336644), (214, 980622), (314, 668322), (321, 653748), (347, 604764), (428, 490311), (471, 445548), (628, 334161), (642, 326874), (694, 302382), (942, 222774), (963, 217916), (1041, 201588), (1284, 163437), (1388, 151191), (1413, 148516), (1884, 111387), (1926, 108958), (2082, 100794), (2826, 74258), (3123, 67196), (3852, 54479), (4164, 50397), (5652, 37129), (6246, 33598), (12492, 16799)]