257027008

素因数分解:

$2^6\times 7^1\times {\mathrm{67}}^1\times {\mathrm{8563}}^1$

素因数の和:8649

約数の個数: 56

約数和(自身を含む): 591669632

約数和(自身を除く): 334642624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 134, 224, 268, 448, 469, 536, 938, 1072, 1876, 2144, 3752, 4288, 7504, 8563, 15008, 17126, 30016, 34252, 59941, 68504, 119882, 137008, 239764, 274016, 479528, 548032, 573721, 959056, 1147442, 1918112, 2294884, 3836224, 4016047, 4589768, 8032094, 9179536, 16064188, 18359072, 32128376, 36718144, 64256752, 128513504, 257027008]

約数ペア:

[(1, 257027008), (2, 128513504), (4, 64256752), (7, 36718144), (8, 32128376), (14, 18359072), (16, 16064188), (28, 9179536), (32, 8032094), (56, 4589768), (64, 4016047), (67, 3836224), (112, 2294884), (134, 1918112), (224, 1147442), (268, 959056), (448, 573721), (469, 548032), (536, 479528), (938, 274016), (1072, 239764), (1876, 137008), (2144, 119882), (3752, 68504), (4288, 59941), (7504, 34252), (8563, 30016), (15008, 17126)]