81647832

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2467}}^1$

素因数の和:2680

約数の個数: 64

約数和(自身を含む): 234558720

約数和(自身を除く): 152910888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 197, 394, 591, 788, 1182, 1379, 1576, 2364, 2467, 2758, 4137, 4728, 4934, 5516, 7401, 8274, 9868, 11032, 14802, 16548, 17269, 19736, 29604, 33096, 34538, 51807, 59208, 69076, 103614, 138152, 207228, 414456, 485999, 971998, 1457997, 1943996, 2915994, 3401993, 3887992, 5831988, 6803986, 10205979, 11663976, 13607972, 20411958, 27215944, 40823916, 81647832]

約数ペア:

[(1, 81647832), (2, 40823916), (3, 27215944), (4, 20411958), (6, 13607972), (7, 11663976), (8, 10205979), (12, 6803986), (14, 5831988), (21, 3887992), (24, 3401993), (28, 2915994), (42, 1943996), (56, 1457997), (84, 971998), (168, 485999), (197, 414456), (394, 207228), (591, 138152), (788, 103614), (1182, 69076), (1379, 59208), (1576, 51807), (2364, 34538), (2467, 33096), (2758, 29604), (4137, 19736), (4728, 17269), (4934, 16548), (5516, 14802), (7401, 11032), (8274, 9868)]