219993284

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{757}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 449269632

約数和(自身を除く): 229276348

約数列:

[1, 2, 4, 7, 14, 28, 97, 107, 194, 214, 388, 428, 679, 749, 757, 1358, 1498, 1514, 2716, 2996, 3028, 5299, 10379, 10598, 20758, 21196, 41516, 72653, 73429, 80999, 145306, 146858, 161998, 290612, 293716, 323996, 514003, 566993, 1028006, 1133986, 2056012, 2267972, 7856903, 15713806, 31427612, 54998321, 109996642, 219993284]

約数ペア:

[(1, 219993284), (2, 109996642), (4, 54998321), (7, 31427612), (14, 15713806), (28, 7856903), (97, 2267972), (107, 2056012), (194, 1133986), (214, 1028006), (388, 566993), (428, 514003), (679, 323996), (749, 293716), (757, 290612), (1358, 161998), (1498, 146858), (1514, 145306), (2716, 80999), (2996, 73429), (3028, 72653), (5299, 41516), (10379, 21196), (10598, 20758)]