222172856

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{211997}}^1$

素因数の和:212134

約数の個数: 16

約数和(自身を含む): 419756040

約数和(自身を除く): 197583184

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 211997, 423994, 847988, 1695976, 27771607, 55543214, 111086428, 222172856]

約数ペア:

[(1, 222172856), (2, 111086428), (4, 55543214), (8, 27771607), (131, 1695976), (262, 847988), (524, 423994), (1048, 211997)]