219350978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{4177}}^1$

素因数の和:4239

約数の個数: 48

約数和(自身を含む): 426757632

約数和(自身を除く): 207406654

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 121, 154, 217, 242, 341, 434, 682, 847, 1694, 2387, 3751, 4177, 4774, 7502, 8354, 26257, 29239, 45947, 52514, 58478, 91894, 129487, 258974, 321629, 505417, 643258, 906409, 1010834, 1424357, 1812818, 2848714, 3537919, 7075838, 9970499, 15667927, 19940998, 31335854, 109675489, 219350978]

約数ペア:

[(1, 219350978), (2, 109675489), (7, 31335854), (11, 19940998), (14, 15667927), (22, 9970499), (31, 7075838), (62, 3537919), (77, 2848714), (121, 1812818), (154, 1424357), (217, 1010834), (242, 906409), (341, 643258), (434, 505417), (682, 321629), (847, 258974), (1694, 129487), (2387, 91894), (3751, 58478), (4177, 52514), (4774, 45947), (7502, 29239), (8354, 26257)]