81912844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{68489}}^1$

素因数の和:68529

約数の個数: 24

約数和(自身を含む): 161088480

約数和(自身を除く): 79175636

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 68489, 136978, 273956, 890357, 1575247, 1780714, 3150494, 3561428, 6300988, 20478211, 40956422, 81912844]

約数ペア:

[(1, 81912844), (2, 40956422), (4, 20478211), (13, 6300988), (23, 3561428), (26, 3150494), (46, 1780714), (52, 1575247), (92, 890357), (299, 273956), (598, 136978), (1196, 68489)]