781687489

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 959313600

約数和(自身を除く): 177626111

約数列:

[1, 11, 17, 29, 61, 139, 187, 289, 319, 493, 671, 1037, 1529, 1769, 2363, 3179, 4031, 5423, 8381, 8479, 11407, 17629, 19459, 25993, 30073, 40171, 44341, 68527, 92191, 93269, 144143, 193919, 245891, 330803, 441881, 511241, 753797, 1164959, 1585573, 2450431, 2704801, 4180147, 5623651, 12814549, 26954741, 45981617, 71062499, 781687489]

約数ペア:

[(1, 781687489), (11, 71062499), (17, 45981617), (29, 26954741), (61, 12814549), (139, 5623651), (187, 4180147), (289, 2704801), (319, 2450431), (493, 1585573), (671, 1164959), (1037, 753797), (1529, 511241), (1769, 441881), (2363, 330803), (3179, 245891), (4031, 193919), (5423, 144143), (8381, 93269), (8479, 92191), (11407, 68527), (17629, 44341), (19459, 40171), (25993, 30073)]