27980986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{21557}}^1$

素因数の和:21629

約数の個数: 16

約数和(自身を含む): 46565280

約数和(自身を除く): 18584294

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 21557, 43114, 237127, 474254, 1271863, 2543726, 13990493, 27980986]

約数ペア:

[(1, 27980986), (2, 13990493), (11, 2543726), (22, 1271863), (59, 474254), (118, 237127), (649, 43114), (1298, 21557)]