81471842

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{41189}}^1$

素因数の和:41257

約数の個数: 16

約数和(自身を含む): 130489920

約数和(自身を除く): 49018078

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 41189, 82378, 947347, 1771127, 1894694, 3542254, 40735921, 81471842]

約数ペア:

[(1, 81471842), (2, 40735921), (23, 3542254), (43, 1894694), (46, 1771127), (86, 947347), (989, 82378), (1978, 41189)]