16590921985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{39191}}^1$

素因数の和:39429

約数の個数: 32

約数和(自身を含む): 22348846080

約数和(自身を除く): 5757924095

約数列:

[1, 5, 11, 43, 55, 179, 215, 473, 895, 1969, 2365, 7697, 9845, 38485, 39191, 84667, 195955, 423335, 431101, 1685213, 2155505, 7015189, 8426065, 18537343, 35075945, 77167079, 92686715, 301653127, 385835395, 1508265635, 3318184397, 16590921985]

約数ペア:

[(1, 16590921985), (5, 3318184397), (11, 1508265635), (43, 385835395), (55, 301653127), (179, 92686715), (215, 77167079), (473, 35075945), (895, 18537343), (1969, 8426065), (2365, 7015189), (7697, 2155505), (9845, 1685213), (38485, 431101), (39191, 423335), (84667, 195955)]