678321224

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^2\times {\mathrm{751}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 1467031680

約数和(自身を除く): 788710456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 751, 889, 1016, 1502, 1778, 3004, 3556, 5257, 6008, 7112, 10514, 16129, 21028, 32258, 42056, 64516, 95377, 112903, 129032, 190754, 225806, 381508, 451612, 667639, 763016, 903224, 1335278, 2670556, 5341112, 12112879, 24225758, 48451516, 84790153, 96903032, 169580306, 339160612, 678321224]

約数ペア:

[(1, 678321224), (2, 339160612), (4, 169580306), (7, 96903032), (8, 84790153), (14, 48451516), (28, 24225758), (56, 12112879), (127, 5341112), (254, 2670556), (508, 1335278), (751, 903224), (889, 763016), (1016, 667639), (1502, 451612), (1778, 381508), (3004, 225806), (3556, 190754), (5257, 129032), (6008, 112903), (7112, 95377), (10514, 64516), (16129, 42056), (21028, 32258)]