7638642

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 18240768

約数和(自身を除く): 10602126

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 173, 198, 223, 346, 446, 519, 669, 1038, 1338, 1557, 1903, 2007, 2453, 3114, 3806, 4014, 4906, 5709, 7359, 11418, 14718, 17127, 22077, 34254, 38579, 44154, 77158, 115737, 231474, 347211, 424369, 694422, 848738, 1273107, 2546214, 3819321, 7638642]

約数ペア:

[(1, 7638642), (2, 3819321), (3, 2546214), (6, 1273107), (9, 848738), (11, 694422), (18, 424369), (22, 347211), (33, 231474), (66, 115737), (99, 77158), (173, 44154), (198, 38579), (223, 34254), (346, 22077), (446, 17127), (519, 14718), (669, 11418), (1038, 7359), (1338, 5709), (1557, 4906), (1903, 4014), (2007, 3806), (2453, 3114)]