208877144

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{86743}}^1$

素因数の和:86799

約数の個数: 32

約数和(自身を含む): 458008320

約数和(自身を除く): 249131176

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 86743, 173486, 346972, 607201, 693944, 1214402, 2428804, 3729949, 4857608, 7459898, 14919796, 26109643, 29839592, 52219286, 104438572, 208877144]

約数ペア:

[(1, 208877144), (2, 104438572), (4, 52219286), (7, 29839592), (8, 26109643), (14, 14919796), (28, 7459898), (43, 4857608), (56, 3729949), (86, 2428804), (172, 1214402), (301, 693944), (344, 607201), (602, 346972), (1204, 173486), (2408, 86743)]