81406584

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{161521}}^1$

素因数の和:161540

約数の個数: 48

約数和(自身を含む): 251974320

約数和(自身を除く): 170567736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 161521, 323042, 484563, 646084, 969126, 1130647, 1292168, 1453689, 1938252, 2261294, 2907378, 3391941, 3876504, 4522588, 5814756, 6783882, 9045176, 10175823, 11629512, 13567764, 20351646, 27135528, 40703292, 81406584]

約数ペア:

[(1, 81406584), (2, 40703292), (3, 27135528), (4, 20351646), (6, 13567764), (7, 11629512), (8, 10175823), (9, 9045176), (12, 6783882), (14, 5814756), (18, 4522588), (21, 3876504), (24, 3391941), (28, 2907378), (36, 2261294), (42, 1938252), (56, 1453689), (63, 1292168), (72, 1130647), (84, 969126), (126, 646084), (168, 484563), (252, 323042), (504, 161521)]