1291264415

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6451}}^1$

素因数の和:6532

約数の個数: 48

約数和(自身を含む): 1941793920

約数和(自身を除く): 650529505

約数列:

[1, 5, 7, 19, 35, 43, 49, 95, 133, 215, 245, 301, 665, 817, 931, 1505, 2107, 4085, 4655, 5719, 6451, 10535, 28595, 32255, 40033, 45157, 122569, 200165, 225785, 277393, 316099, 612845, 857983, 1386965, 1580495, 1941751, 4289915, 5270467, 6005881, 9708755, 13592257, 26352335, 30029405, 36893269, 67961285, 184466345, 258252883, 1291264415]

約数ペア:

[(1, 1291264415), (5, 258252883), (7, 184466345), (19, 67961285), (35, 36893269), (43, 30029405), (49, 26352335), (95, 13592257), (133, 9708755), (215, 6005881), (245, 5270467), (301, 4289915), (665, 1941751), (817, 1580495), (931, 1386965), (1505, 857983), (2107, 612845), (4085, 316099), (4655, 277393), (5719, 225785), (6451, 200165), (10535, 122569), (28595, 45157), (32255, 40033)]