221685968

素因数分解:

$2^4\times 7^1\times {\mathrm{1979339}}^1$

素因数の和:1979354

約数の個数: 20

約数和(自身を含む): 490876320

約数和(自身を除く): 269190352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1979339, 3958678, 7917356, 13855373, 15834712, 27710746, 31669424, 55421492, 110842984, 221685968]

約数ペア:

[(1, 221685968), (2, 110842984), (4, 55421492), (7, 31669424), (8, 27710746), (14, 15834712), (16, 13855373), (28, 7917356), (56, 3958678), (112, 1979339)]