81973372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2861}}^1$

素因数の和:2926

約数の個数: 48

約数和(自身を含む): 168285600

約数和(自身を除く): 86312228

約数列:

[1, 2, 4, 13, 19, 26, 29, 38, 52, 58, 76, 116, 247, 377, 494, 551, 754, 988, 1102, 1508, 2204, 2861, 5722, 7163, 11444, 14326, 28652, 37193, 54359, 74386, 82969, 108718, 148772, 165938, 217436, 331876, 706667, 1078597, 1413334, 1576411, 2157194, 2826668, 3152822, 4314388, 6305644, 20493343, 40986686, 81973372]

約数ペア:

[(1, 81973372), (2, 40986686), (4, 20493343), (13, 6305644), (19, 4314388), (26, 3152822), (29, 2826668), (38, 2157194), (52, 1576411), (58, 1413334), (76, 1078597), (116, 706667), (247, 331876), (377, 217436), (494, 165938), (551, 148772), (754, 108718), (988, 82969), (1102, 74386), (1508, 54359), (2204, 37193), (2861, 28652), (5722, 14326), (7163, 11444)]