12918895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 18398016

約数和(自身を除く): 5479121

約数列:

[1, 5, 11, 17, 41, 55, 85, 187, 205, 337, 451, 697, 935, 1685, 2255, 3485, 3707, 5729, 7667, 13817, 18535, 28645, 38335, 63019, 69085, 151987, 234889, 315095, 759935, 1174445, 2583779, 12918895]

約数ペア:

[(1, 12918895), (5, 2583779), (11, 1174445), (17, 759935), (41, 315095), (55, 234889), (85, 151987), (187, 69085), (205, 63019), (337, 38335), (451, 28645), (697, 18535), (935, 13817), (1685, 7667), (2255, 5729), (3485, 3707)]