639195898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{9643}}^1$

素因数の和:9810

約数の個数: 32

約数和(自身を含む): 1099878912

約数和(自身を除く): 460683014

約数列:

[1, 2, 11, 22, 23, 46, 131, 253, 262, 506, 1441, 2882, 3013, 6026, 9643, 19286, 33143, 66286, 106073, 212146, 221789, 443578, 1263233, 2439679, 2526466, 4879358, 13895563, 27791126, 29054359, 58108718, 319597949, 639195898]

約数ペア:

[(1, 639195898), (2, 319597949), (11, 58108718), (22, 29054359), (23, 27791126), (46, 13895563), (131, 4879358), (253, 2526466), (262, 2439679), (506, 1263233), (1441, 443578), (2882, 221789), (3013, 212146), (6026, 106073), (9643, 66286), (19286, 33143)]