257908096

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{64997}}^1$

素因数の和:65042

約数の個数: 32

約数和(自身を含む): 530383680

約数和(自身を除く): 272475584

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 64997, 129994, 259988, 519976, 1039952, 2014907, 2079904, 4029814, 4159808, 8059628, 8319616, 16119256, 32238512, 64477024, 128954048, 257908096]

約数ペア:

[(1, 257908096), (2, 128954048), (4, 64477024), (8, 32238512), (16, 16119256), (31, 8319616), (32, 8059628), (62, 4159808), (64, 4029814), (124, 2079904), (128, 2014907), (248, 1039952), (496, 519976), (992, 259988), (1984, 129994), (3968, 64997)]