209224642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{306781}}^1$

素因数の和:306825

約数の個数: 16

約数和(自身を含む): 353412864

約数和(自身を除く): 144188222

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 306781, 613562, 3374591, 6749182, 9510211, 19020422, 104612321, 209224642]

約数ペア:

[(1, 209224642), (2, 104612321), (11, 19020422), (22, 9510211), (31, 6749182), (62, 3374591), (341, 613562), (682, 306781)]