81209208

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{20759}}^1$

素因数の和:20931

約数の個数: 32

約数和(自身を含む): 204278400

約数和(自身を除く): 123069192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 20759, 41518, 62277, 83036, 124554, 166072, 249108, 498216, 3383717, 6767434, 10151151, 13534868, 20302302, 27069736, 40604604, 81209208]

約数ペア:

[(1, 81209208), (2, 40604604), (3, 27069736), (4, 20302302), (6, 13534868), (8, 10151151), (12, 6767434), (24, 3383717), (163, 498216), (326, 249108), (489, 166072), (652, 124554), (978, 83036), (1304, 62277), (1956, 41518), (3912, 20759)]