645436.0000000

素因数分解:

$2^4\times 7^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:244

約数の個数: 60

約数和(自身を含む): 22158180

約数和(自身を除く): 12501652

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 109, 112, 113, 196, 218, 226, 392, 436, 452, 763, 784, 791, 872, 904, 1526, 1582, 1744, 1808, 3052, 3164, 5341, 5537, 6104, 6328, 10682, 11074, 12208, 12317, 12656, 21364, 22148, 24634, 42728, 44296, 49268, 85456, 86219, 88592, 98536, 172438, 197072, 344876, 603533, 689752, 1207066, 1379504, 2414132, 4828264, 9656528]

約数ペア:

[(1, 9656528), (2, 4828264), (4, 2414132), (7, 1379504), (8, 1207066), (14, 689752), (16, 603533), (28, 344876), (49, 197072), (56, 172438), (98, 98536), (109, 88592), (112, 86219), (113, 85456), (196, 49268), (218, 44296), (226, 42728), (392, 24634), (436, 22148), (452, 21364), (763, 12656), (784, 12317), (791, 12208), (872, 11074), (904, 10682), (1526, 6328), (1582, 6104), (1744, 5537), (1808, 5341), (3052, 3164)]