211992018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{136417}}^1$

素因数の和:136466

約数の個数: 32

約数和(自身を含む): 497652864

約数和(自身を除く): 285660846

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 136417, 272834, 409251, 818502, 954919, 1909838, 2864757, 5047429, 5729514, 10094858, 15142287, 30284574, 35332003, 70664006, 105996009, 211992018]

約数ペア:

[(1, 211992018), (2, 105996009), (3, 70664006), (6, 35332003), (7, 30284574), (14, 15142287), (21, 10094858), (37, 5729514), (42, 5047429), (74, 2864757), (111, 1909838), (222, 954919), (259, 818502), (518, 409251), (777, 272834), (1554, 136417)]