219320468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{701}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 420323904

約数和(自身を除く): 201003436

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 107, 172, 214, 428, 701, 731, 1402, 1462, 1819, 2804, 2924, 3638, 4601, 7276, 9202, 11917, 18404, 23834, 30143, 47668, 60286, 75007, 78217, 120572, 150014, 156434, 300028, 312868, 512431, 1024862, 1275119, 2049724, 2550238, 3225301, 5100476, 6450602, 12901204, 54830117, 109660234, 219320468]

約数ペア:

[(1, 219320468), (2, 109660234), (4, 54830117), (17, 12901204), (34, 6450602), (43, 5100476), (68, 3225301), (86, 2550238), (107, 2049724), (172, 1275119), (214, 1024862), (428, 512431), (701, 312868), (731, 300028), (1402, 156434), (1462, 150014), (1819, 120572), (2804, 78217), (2924, 75007), (3638, 60286), (4601, 47668), (7276, 30143), (9202, 23834), (11917, 18404)]