219920944

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{443389}}^1$

素因数の和:443428

約数の個数: 20

約数和(自身を含む): 439842880

約数和(自身を除く): 219921936

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 443389, 886778, 1773556, 3547112, 7094224, 13745059, 27490118, 54980236, 109960472, 219920944]

約数ペア:

[(1, 219920944), (2, 109960472), (4, 54980236), (8, 27490118), (16, 13745059), (31, 7094224), (62, 3547112), (124, 1773556), (248, 886778), (496, 443389)]