213789928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{683}}^1\times {\mathrm{3557}}^1$

素因数の和:4257

約数の個数: 32

約数和(自身を含む): 438060960

約数和(自身を除く): 224271032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 683, 1366, 2732, 3557, 5464, 7114, 7513, 14228, 15026, 28456, 30052, 39127, 60104, 78254, 156508, 313016, 2429431, 4858862, 9717724, 19435448, 26723741, 53447482, 106894964, 213789928]

約数ペア:

[(1, 213789928), (2, 106894964), (4, 53447482), (8, 26723741), (11, 19435448), (22, 9717724), (44, 4858862), (88, 2429431), (683, 313016), (1366, 156508), (2732, 78254), (3557, 60104), (5464, 39127), (7114, 30052), (7513, 28456), (14228, 15026)]