198320210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{163901}}^1$

素因数の和:163930

約数の個数: 24

約数和(自身を含む): 392381388

約数和(自身を除く): 194061178

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 163901, 327802, 819505, 1639010, 1802911, 3605822, 9014555, 18029110, 19832021, 39664042, 99160105, 198320210]

約数ペア:

[(1, 198320210), (2, 99160105), (5, 39664042), (10, 19832021), (11, 18029110), (22, 9014555), (55, 3605822), (110, 1802911), (121, 1639010), (242, 819505), (605, 327802), (1210, 163901)]