778678884

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{1699}}^1$

素因数の和:2177

約数の個数: 72

約数和(自身を含む): 2042040000

約数和(自身を除く): 1263361116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 439, 522, 878, 1044, 1317, 1699, 1756, 2634, 3398, 3951, 5097, 5268, 6796, 7902, 10194, 12731, 15291, 15804, 20388, 25462, 30582, 38193, 49271, 50924, 61164, 76386, 98542, 114579, 147813, 152772, 197084, 229158, 295626, 443439, 458316, 591252, 745861, 886878, 1491722, 1773756, 2237583, 2983444, 4475166, 6712749, 8950332, 13425498, 21629969, 26850996, 43259938, 64889907, 86519876, 129779814, 194669721, 259559628, 389339442, 778678884]

約数ペア:

[(1, 778678884), (2, 389339442), (3, 259559628), (4, 194669721), (6, 129779814), (9, 86519876), (12, 64889907), (18, 43259938), (29, 26850996), (36, 21629969), (58, 13425498), (87, 8950332), (116, 6712749), (174, 4475166), (261, 2983444), (348, 2237583), (439, 1773756), (522, 1491722), (878, 886878), (1044, 745861), (1317, 591252), (1699, 458316), (1756, 443439), (2634, 295626), (3398, 229158), (3951, 197084), (5097, 152772), (5268, 147813), (6796, 114579), (7902, 98542), (10194, 76386), (12731, 61164), (15291, 50924), (15804, 49271), (20388, 38193), (25462, 30582)]