255639566

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 517104000

約数和(自身を除く): 261464434

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 59, 91, 98, 118, 133, 179, 182, 247, 266, 358, 413, 494, 637, 767, 826, 931, 1121, 1253, 1274, 1534, 1729, 1862, 2242, 2327, 2506, 2891, 3401, 3458, 4654, 5369, 5782, 6802, 7847, 8771, 10561, 10738, 12103, 14573, 15694, 16289, 17542, 21122, 23807, 24206, 29146, 32578, 37583, 44213, 47614, 54929, 73927, 75166, 88426, 102011, 109858, 114023, 137293, 147854, 166649, 200659, 204022, 228046, 274586, 309491, 333298, 401318, 517489, 618982, 714077, 961051, 1034978, 1404613, 1428154, 1922102, 2166437, 2608567, 2809226, 4332874, 5217134, 6727357, 9832291, 13454714, 18259969, 19664582, 36519938, 127819783, 255639566]

約数ペア:

[(1, 255639566), (2, 127819783), (7, 36519938), (13, 19664582), (14, 18259969), (19, 13454714), (26, 9832291), (38, 6727357), (49, 5217134), (59, 4332874), (91, 2809226), (98, 2608567), (118, 2166437), (133, 1922102), (179, 1428154), (182, 1404613), (247, 1034978), (266, 961051), (358, 714077), (413, 618982), (494, 517489), (637, 401318), (767, 333298), (826, 309491), (931, 274586), (1121, 228046), (1253, 204022), (1274, 200659), (1534, 166649), (1729, 147854), (1862, 137293), (2242, 114023), (2327, 109858), (2506, 102011), (2891, 88426), (3401, 75166), (3458, 73927), (4654, 54929), (5369, 47614), (5782, 44213), (6802, 37583), (7847, 32578), (8771, 29146), (10561, 24206), (10738, 23807), (12103, 21122), (14573, 17542), (15694, 16289)]