81480.0000000

素因数分解:

$2^3\times 7^2\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 16918740

約数和(自身を除く): 9277484

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 101, 193, 196, 202, 386, 392, 404, 707, 772, 808, 1351, 1414, 1544, 2702, 2828, 4949, 5404, 5656, 9457, 9898, 10808, 18914, 19493, 19796, 37828, 38986, 39592, 75656, 77972, 136451, 155944, 272902, 545804, 955157, 1091608, 1910314, 3820628, 7641256]

約数ペア:

[(1, 7641256), (2, 3820628), (4, 1910314), (7, 1091608), (8, 955157), (14, 545804), (28, 272902), (49, 155944), (56, 136451), (98, 77972), (101, 75656), (193, 39592), (196, 38986), (202, 37828), (386, 19796), (392, 19493), (404, 18914), (707, 10808), (772, 9898), (808, 9457), (1351, 5656), (1414, 5404), (1544, 4949), (2702, 2828)]