221371944

素因数分解:

$2^3\times 3^1\times {\mathrm{431}}^1\times {\mathrm{21401}}^1$

素因数の和:21841

約数の個数: 32

約数和(自身を含む): 554739840

約数和(自身を除く): 333367896

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 431, 862, 1293, 1724, 2586, 3448, 5172, 10344, 21401, 42802, 64203, 85604, 128406, 171208, 256812, 513624, 9223831, 18447662, 27671493, 36895324, 55342986, 73790648, 110685972, 221371944]

約数ペア:

[(1, 221371944), (2, 110685972), (3, 73790648), (4, 55342986), (6, 36895324), (8, 27671493), (12, 18447662), (24, 9223831), (431, 513624), (862, 256812), (1293, 171208), (1724, 128406), (2586, 85604), (3448, 64203), (5172, 42802), (10344, 21401)]