28798816

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 60582816

約数和(自身を除く): 31784000

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 167, 272, 317, 334, 544, 634, 668, 1268, 1336, 2536, 2672, 2839, 5072, 5344, 5389, 5678, 10144, 10778, 11356, 21556, 22712, 43112, 45424, 52939, 86224, 90848, 105878, 172448, 211756, 423512, 847024, 899963, 1694048, 1799926, 3599852, 7199704, 14399408, 28798816]

約数ペア:

[(1, 28798816), (2, 14399408), (4, 7199704), (8, 3599852), (16, 1799926), (17, 1694048), (32, 899963), (34, 847024), (68, 423512), (136, 211756), (167, 172448), (272, 105878), (317, 90848), (334, 86224), (544, 52939), (634, 45424), (668, 43112), (1268, 22712), (1336, 21556), (2536, 11356), (2672, 10778), (2839, 10144), (5072, 5678), (5344, 5389)]