81520544

素因数分解:

$2^5\times 7^1\times {\mathrm{439}}^1\times {\mathrm{829}}^1$

素因数の和:1285

約数の個数: 48

約数和(自身を含む): 184060800

約数和(自身を除く): 102540256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 439, 829, 878, 1658, 1756, 3073, 3316, 3512, 5803, 6146, 6632, 7024, 11606, 12292, 13264, 14048, 23212, 24584, 26528, 46424, 49168, 92848, 98336, 185696, 363931, 727862, 1455724, 2547517, 2911448, 5095034, 5822896, 10190068, 11645792, 20380136, 40760272, 81520544]

約数ペア:

[(1, 81520544), (2, 40760272), (4, 20380136), (7, 11645792), (8, 10190068), (14, 5822896), (16, 5095034), (28, 2911448), (32, 2547517), (56, 1455724), (112, 727862), (224, 363931), (439, 185696), (829, 98336), (878, 92848), (1658, 49168), (1756, 46424), (3073, 26528), (3316, 24584), (3512, 23212), (5803, 14048), (6146, 13264), (6632, 12292), (7024, 11606)]