68984021

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 73835520

約数和(自身を除く): 4851499

約数列:

[1, 31, 37, 137, 439, 1147, 4247, 5069, 13609, 16243, 60143, 157139, 503533, 1864433, 2225291, 68984021]

約数ペア:

[(1, 68984021), (31, 2225291), (37, 1864433), (137, 503533), (439, 157139), (1147, 60143), (4247, 16243), (5069, 13609)]