16688896

素因数分解:

$2^8\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 38917760

約数和(自身を除く): 22228864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 128, 134, 139, 224, 256, 268, 278, 448, 469, 536, 556, 896, 938, 973, 1072, 1112, 1792, 1876, 1946, 2144, 2224, 3752, 3892, 4288, 4448, 7504, 7784, 8576, 8896, 9313, 15008, 15568, 17152, 17792, 18626, 30016, 31136, 35584, 37252, 60032, 62272, 65191, 74504, 120064, 124544, 130382, 149008, 249088, 260764, 298016, 521528, 596032, 1043056, 1192064, 2086112, 2384128, 4172224, 8344448, 16688896]

約数ペア:

[(1, 16688896), (2, 8344448), (4, 4172224), (7, 2384128), (8, 2086112), (14, 1192064), (16, 1043056), (28, 596032), (32, 521528), (56, 298016), (64, 260764), (67, 249088), (112, 149008), (128, 130382), (134, 124544), (139, 120064), (224, 74504), (256, 65191), (268, 62272), (278, 60032), (448, 37252), (469, 35584), (536, 31136), (556, 30016), (896, 18626), (938, 17792), (973, 17152), (1072, 15568), (1112, 15008), (1792, 9313), (1876, 8896), (1946, 8576), (2144, 7784), (2224, 7504), (3752, 4448), (3892, 4288)]