206849968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{994471}}^1$

素因数の和:994492

約数の個数: 20

約数和(自身を含む): 431600848

約数和(自身を除く): 224750880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 994471, 1988942, 3977884, 7955768, 12928123, 15911536, 25856246, 51712492, 103424984, 206849968]

約数ペア:

[(1, 206849968), (2, 103424984), (4, 51712492), (8, 25856246), (13, 15911536), (16, 12928123), (26, 7955768), (52, 3977884), (104, 1988942), (208, 994471)]