856557955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{1249}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 1155960000

約数和(自身を除く): 299402045

約数列:

[1, 5, 11, 37, 55, 185, 337, 407, 1249, 1685, 2035, 3707, 6245, 12469, 13739, 18535, 46213, 62345, 68695, 137159, 231065, 420913, 508343, 685795, 2104565, 2541715, 4630043, 15573781, 23150215, 77868905, 171311591, 856557955]

約数ペア:

[(1, 856557955), (5, 171311591), (11, 77868905), (37, 23150215), (55, 15573781), (185, 4630043), (337, 2541715), (407, 2104565), (1249, 685795), (1685, 508343), (2035, 420913), (3707, 231065), (6245, 137159), (12469, 68695), (13739, 62345), (18535, 46213)]