78788556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:732

約数の個数: 144

約数和(自身を含む): 254462208

約数和(自身を除く): 175673652

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 43, 44, 63, 66, 77, 84, 86, 99, 126, 129, 132, 154, 172, 198, 231, 252, 258, 301, 308, 387, 396, 462, 473, 516, 602, 661, 693, 774, 903, 924, 946, 1204, 1322, 1386, 1419, 1548, 1806, 1892, 1983, 2644, 2709, 2772, 2838, 3311, 3612, 3966, 4257, 4627, 5418, 5676, 5949, 6622, 7271, 7932, 8514, 9254, 9933, 10836, 11898, 13244, 13881, 14542, 17028, 18508, 19866, 21813, 23796, 27762, 28423, 29084, 29799, 39732, 41643, 43626, 50897, 55524, 56846, 59598, 65439, 83286, 85269, 87252, 101794, 113692, 119196, 130878, 152691, 166572, 170538, 198961, 203588, 255807, 261756, 305382, 312653, 341076, 397922, 458073, 511614, 596883, 610764, 625306, 795844, 916146, 937959, 1023228, 1193766, 1250612, 1790649, 1832292, 1875918, 2188571, 2387532, 2813877, 3581298, 3751836, 4377142, 5627754, 6565713, 7162596, 8754284, 11255508, 13131426, 19697139, 26262852, 39394278, 78788556]

約数ペア:

[(1, 78788556), (2, 39394278), (3, 26262852), (4, 19697139), (6, 13131426), (7, 11255508), (9, 8754284), (11, 7162596), (12, 6565713), (14, 5627754), (18, 4377142), (21, 3751836), (22, 3581298), (28, 2813877), (33, 2387532), (36, 2188571), (42, 1875918), (43, 1832292), (44, 1790649), (63, 1250612), (66, 1193766), (77, 1023228), (84, 937959), (86, 916146), (99, 795844), (126, 625306), (129, 610764), (132, 596883), (154, 511614), (172, 458073), (198, 397922), (231, 341076), (252, 312653), (258, 305382), (301, 261756), (308, 255807), (387, 203588), (396, 198961), (462, 170538), (473, 166572), (516, 152691), (602, 130878), (661, 119196), (693, 113692), (774, 101794), (903, 87252), (924, 85269), (946, 83286), (1204, 65439), (1322, 59598), (1386, 56846), (1419, 55524), (1548, 50897), (1806, 43626), (1892, 41643), (1983, 39732), (2644, 29799), (2709, 29084), (2772, 28423), (2838, 27762), (3311, 23796), (3612, 21813), (3966, 19866), (4257, 18508), (4627, 17028), (5418, 14542), (5676, 13881), (5949, 13244), (6622, 11898), (7271, 10836), (7932, 9933), (8514, 9254)]