281114878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{2633}}^1$

素因数の和:2880

約数の個数: 32

約数和(自身を含む): 482464512

約数和(自身を除く): 201349634

約数列:

[1, 2, 11, 22, 23, 46, 211, 253, 422, 506, 2321, 2633, 4642, 4853, 5266, 9706, 28963, 53383, 57926, 60559, 106766, 121118, 555563, 666149, 1111126, 1332298, 6111193, 12222386, 12777949, 25555898, 140557439, 281114878]

約数ペア:

[(1, 281114878), (2, 140557439), (11, 25555898), (22, 12777949), (23, 12222386), (46, 6111193), (211, 1332298), (253, 1111126), (422, 666149), (506, 555563), (2321, 121118), (2633, 106766), (4642, 60559), (4853, 57926), (5266, 53383), (9706, 28963)]