128471168

素因数分解:

$2^7\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1129}}^1$

素因数の和:1277

約数の個数: 64

約数和(自身を含む): 295065600

約数和(自身を除く): 166594432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 224, 254, 448, 508, 889, 896, 1016, 1129, 1778, 2032, 2258, 3556, 4064, 4516, 7112, 7903, 8128, 9032, 14224, 15806, 16256, 18064, 28448, 31612, 36128, 56896, 63224, 72256, 113792, 126448, 143383, 144512, 252896, 286766, 505792, 573532, 1003681, 1011584, 1147064, 2007362, 2294128, 4014724, 4588256, 8029448, 9176512, 16058896, 18353024, 32117792, 64235584, 128471168]

約数ペア:

[(1, 128471168), (2, 64235584), (4, 32117792), (7, 18353024), (8, 16058896), (14, 9176512), (16, 8029448), (28, 4588256), (32, 4014724), (56, 2294128), (64, 2007362), (112, 1147064), (127, 1011584), (128, 1003681), (224, 573532), (254, 505792), (448, 286766), (508, 252896), (889, 144512), (896, 143383), (1016, 126448), (1129, 113792), (1778, 72256), (2032, 63224), (2258, 56896), (3556, 36128), (4064, 31612), (4516, 28448), (7112, 18064), (7903, 16256), (8128, 15806), (9032, 14224)]