217961872

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{31607}}^1$

素因数の和:32046

約数の個数: 20

約数和(自身を含む): 423294336

約数和(自身を除く): 205332464

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3448, 6896, 31607, 63214, 126428, 252856, 505712, 13622617, 27245234, 54490468, 108980936, 217961872]

約数ペア:

[(1, 217961872), (2, 108980936), (4, 54490468), (8, 27245234), (16, 13622617), (431, 505712), (862, 252856), (1724, 126428), (3448, 63214), (6896, 31607)]