217815976

素因数分解:

$2^3\times 7^3\times {\mathrm{79379}}^1$

素因数の和:79406

約数の個数: 32

約数和(自身を含む): 476280000

約数和(自身を除く): 258464024

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 79379, 158758, 317516, 555653, 635032, 1111306, 2222612, 3889571, 4445224, 7779142, 15558284, 27226997, 31116568, 54453994, 108907988, 217815976]

約数ペア:

[(1, 217815976), (2, 108907988), (4, 54453994), (7, 31116568), (8, 27226997), (14, 15558284), (28, 7779142), (49, 4445224), (56, 3889571), (98, 2222612), (196, 1111306), (343, 635032), (392, 555653), (686, 317516), (1372, 158758), (2744, 79379)]