15689212

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 36771840

約数和(自身を除く): 21082628

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 383, 418, 532, 539, 766, 836, 931, 1078, 1463, 1532, 1862, 2156, 2681, 2926, 3724, 4213, 5362, 5852, 7277, 8426, 10241, 10724, 14554, 16852, 18767, 20482, 29108, 29491, 37534, 40964, 50939, 58982, 75068, 80047, 101878, 117964, 160094, 203756, 206437, 320188, 356573, 412874, 560329, 713146, 825748, 1120658, 1426292, 2241316, 3922303, 7844606, 15689212]

約数ペア:

[(1, 15689212), (2, 7844606), (4, 3922303), (7, 2241316), (11, 1426292), (14, 1120658), (19, 825748), (22, 713146), (28, 560329), (38, 412874), (44, 356573), (49, 320188), (76, 206437), (77, 203756), (98, 160094), (133, 117964), (154, 101878), (196, 80047), (209, 75068), (266, 58982), (308, 50939), (383, 40964), (418, 37534), (532, 29491), (539, 29108), (766, 20482), (836, 18767), (931, 16852), (1078, 14554), (1463, 10724), (1532, 10241), (1862, 8426), (2156, 7277), (2681, 5852), (2926, 5362), (3724, 4213)]