256672808

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{147853}}^1$

素因数の和:147897

約数の個数: 32

約数和(自身を含む): 567759360

約数和(自身を除く): 311086552

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 147853, 295706, 591412, 1034971, 1182824, 2069942, 4139884, 4583443, 8279768, 9166886, 18333772, 32084101, 36667544, 64168202, 128336404, 256672808]

約数ペア:

[(1, 256672808), (2, 128336404), (4, 64168202), (7, 36667544), (8, 32084101), (14, 18333772), (28, 9166886), (31, 8279768), (56, 4583443), (62, 4139884), (124, 2069942), (217, 1182824), (248, 1034971), (434, 591412), (868, 295706), (1736, 147853)]