198903888

素因数分解:

$2^4\times 3^2\times {\mathrm{1381277}}^1$

素因数の和:1381291

約数の個数: 30

約数和(自身を含む): 556655034

約数和(自身を除く): 357751146

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1381277, 2762554, 4143831, 5525108, 8287662, 11050216, 12431493, 16575324, 22100432, 24862986, 33150648, 49725972, 66301296, 99451944, 198903888]

約数ペア:

[(1, 198903888), (2, 99451944), (3, 66301296), (4, 49725972), (6, 33150648), (8, 24862986), (9, 22100432), (12, 16575324), (16, 12431493), (18, 11050216), (24, 8287662), (36, 5525108), (48, 4143831), (72, 2762554), (144, 1381277)]