213281488

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1400

約数の個数: 80

約数和(自身を含む): 498253824

約数和(自身を除く): 284972336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 47, 56, 62, 94, 112, 124, 188, 217, 248, 329, 376, 434, 496, 658, 752, 868, 1307, 1316, 1457, 1736, 2614, 2632, 2914, 3472, 5228, 5264, 5828, 9149, 10199, 10456, 11656, 18298, 20398, 20912, 23312, 36596, 40517, 40796, 61429, 73192, 81034, 81592, 122858, 146384, 162068, 163184, 245716, 283619, 324136, 430003, 491432, 567238, 648272, 860006, 982864, 1134476, 1720012, 1904299, 2268952, 3440024, 3808598, 4537904, 6880048, 7617196, 13330093, 15234392, 26660186, 30468784, 53320372, 106640744, 213281488]

約数ペア:

[(1, 213281488), (2, 106640744), (4, 53320372), (7, 30468784), (8, 26660186), (14, 15234392), (16, 13330093), (28, 7617196), (31, 6880048), (47, 4537904), (56, 3808598), (62, 3440024), (94, 2268952), (112, 1904299), (124, 1720012), (188, 1134476), (217, 982864), (248, 860006), (329, 648272), (376, 567238), (434, 491432), (496, 430003), (658, 324136), (752, 283619), (868, 245716), (1307, 163184), (1316, 162068), (1457, 146384), (1736, 122858), (2614, 81592), (2632, 81034), (2914, 73192), (3472, 61429), (5228, 40796), (5264, 40517), (5828, 36596), (9149, 23312), (10199, 20912), (10456, 20398), (11656, 18298)]