218070853

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1663}}^1$

素因数の和:1825

約数の個数: 32

約数和(自身を含む): 295206912

約数和(自身を除く): 77136059

約数列:

[1, 7, 11, 13, 77, 91, 131, 143, 917, 1001, 1441, 1663, 1703, 10087, 11641, 11921, 18293, 18733, 21619, 128051, 131131, 151333, 217853, 237809, 1524971, 1664663, 2396383, 2832089, 16774681, 19824623, 31152979, 218070853]

約数ペア:

[(1, 218070853), (7, 31152979), (11, 19824623), (13, 16774681), (77, 2832089), (91, 2396383), (131, 1664663), (143, 1524971), (917, 237809), (1001, 217853), (1441, 151333), (1663, 131131), (1703, 128051), (10087, 21619), (11641, 18733), (11921, 18293)]