81503208

素因数分解:

$2^3\times 3^2\times {\mathrm{457}}^1\times {\mathrm{2477}}^1$

素因数の和:2946

約数の個数: 48

約数和(自身を含む): 221310180

約数和(自身を除く): 139806972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 457, 914, 1371, 1828, 2477, 2742, 3656, 4113, 4954, 5484, 7431, 8226, 9908, 10968, 14862, 16452, 19816, 22293, 29724, 32904, 44586, 59448, 89172, 178344, 1131989, 2263978, 3395967, 4527956, 6791934, 9055912, 10187901, 13583868, 20375802, 27167736, 40751604, 81503208]

約数ペア:

[(1, 81503208), (2, 40751604), (3, 27167736), (4, 20375802), (6, 13583868), (8, 10187901), (9, 9055912), (12, 6791934), (18, 4527956), (24, 3395967), (36, 2263978), (72, 1131989), (457, 178344), (914, 89172), (1371, 59448), (1828, 44586), (2477, 32904), (2742, 29724), (3656, 22293), (4113, 19816), (4954, 16452), (5484, 14862), (7431, 10968), (8226, 9908)]