890604558

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{647}}^1$

素因数の和:983

約数の個数: 80

約数和(自身を含む): 2074675680

約数和(自身を除く): 1184071122

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 162, 174, 261, 293, 522, 586, 647, 783, 879, 1294, 1566, 1758, 1941, 2349, 2637, 3882, 4698, 5274, 5823, 7911, 8497, 11646, 15822, 16994, 17469, 18763, 23733, 25491, 34938, 37526, 47466, 50982, 52407, 56289, 76473, 104814, 112578, 152946, 168867, 189571, 229419, 337734, 379142, 458838, 506601, 568713, 688257, 1013202, 1137426, 1376514, 1519803, 1706139, 3039606, 3412278, 5118417, 5497559, 10236834, 10995118, 15355251, 16492677, 30710502, 32985354, 49478031, 98956062, 148434093, 296868186, 445302279, 890604558]

約数ペア:

[(1, 890604558), (2, 445302279), (3, 296868186), (6, 148434093), (9, 98956062), (18, 49478031), (27, 32985354), (29, 30710502), (54, 16492677), (58, 15355251), (81, 10995118), (87, 10236834), (162, 5497559), (174, 5118417), (261, 3412278), (293, 3039606), (522, 1706139), (586, 1519803), (647, 1376514), (783, 1137426), (879, 1013202), (1294, 688257), (1566, 568713), (1758, 506601), (1941, 458838), (2349, 379142), (2637, 337734), (3882, 229419), (4698, 189571), (5274, 168867), (5823, 152946), (7911, 112578), (8497, 104814), (11646, 76473), (15822, 56289), (16994, 52407), (17469, 50982), (18763, 47466), (23733, 37526), (25491, 34938)]