215522923

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 296866944

約数和(自身を除く): 81344021

約数列:

[1, 7, 11, 17, 43, 49, 77, 119, 187, 301, 473, 539, 547, 731, 833, 1309, 2107, 3311, 3829, 5117, 6017, 8041, 9163, 9299, 23177, 23521, 26803, 35819, 42119, 56287, 65093, 102289, 164647, 258731, 294833, 394009, 399857, 455651, 716023, 1152529, 1811117, 2798999, 4398427, 5012161, 12677819, 19592993, 30788989, 215522923]

約数ペア:

[(1, 215522923), (7, 30788989), (11, 19592993), (17, 12677819), (43, 5012161), (49, 4398427), (77, 2798999), (119, 1811117), (187, 1152529), (301, 716023), (473, 455651), (539, 399857), (547, 394009), (731, 294833), (833, 258731), (1309, 164647), (2107, 102289), (3311, 65093), (3829, 56287), (5117, 42119), (6017, 35819), (8041, 26803), (9163, 23521), (9299, 23177)]