81243736

素因数分解:

$2^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{7517}}^1$

素因数の和:7723

約数の個数: 32

約数和(自身を含む): 175019040

約数和(自身を除く): 93775304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 193, 386, 772, 1351, 1544, 2702, 5404, 7517, 10808, 15034, 30068, 52619, 60136, 105238, 210476, 420952, 1450781, 2901562, 5803124, 10155467, 11606248, 20310934, 40621868, 81243736]

約数ペア:

[(1, 81243736), (2, 40621868), (4, 20310934), (7, 11606248), (8, 10155467), (14, 5803124), (28, 2901562), (56, 1450781), (193, 420952), (386, 210476), (772, 105238), (1351, 60136), (1544, 52619), (2702, 30068), (5404, 15034), (7517, 10808)]