87613864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 188496000

約数和(自身を除く): 100882136

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 101, 104, 152, 202, 247, 404, 439, 494, 808, 878, 988, 1313, 1756, 1919, 1976, 2626, 3512, 3838, 5252, 5707, 7676, 8341, 10504, 11414, 15352, 16682, 22828, 24947, 33364, 44339, 45656, 49894, 66728, 88678, 99788, 108433, 177356, 199576, 216866, 354712, 433732, 576407, 842441, 867464, 1152814, 1684882, 2305628, 3369764, 4611256, 6739528, 10951733, 21903466, 43806932, 87613864]

約数ペア:

[(1, 87613864), (2, 43806932), (4, 21903466), (8, 10951733), (13, 6739528), (19, 4611256), (26, 3369764), (38, 2305628), (52, 1684882), (76, 1152814), (101, 867464), (104, 842441), (152, 576407), (202, 433732), (247, 354712), (404, 216866), (439, 199576), (494, 177356), (808, 108433), (878, 99788), (988, 88678), (1313, 66728), (1756, 49894), (1919, 45656), (1976, 44339), (2626, 33364), (3512, 24947), (3838, 22828), (5252, 16682), (5707, 15352), (7676, 11414), (8341, 10504)]