256552912

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^3\times {\mathrm{1721}}^1$

素因数の和:1769

約数の個数: 80

約数和(自身を含む): 625209984

約数和(自身を除く): 368657072

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1331, 1694, 1721, 1936, 2662, 3388, 3442, 5324, 6776, 6884, 9317, 10648, 12047, 13552, 13768, 18634, 18931, 21296, 24094, 27536, 37268, 37862, 48188, 74536, 75724, 96376, 132517, 149072, 151448, 192752, 208241, 265034, 302896, 416482, 530068, 832964, 1060136, 1457687, 1665928, 2120272, 2290651, 2915374, 3331856, 4581302, 5830748, 9162604, 11661496, 16034557, 18325208, 23322992, 32069114, 36650416, 64138228, 128276456, 256552912]

約数ペア:

[(1, 256552912), (2, 128276456), (4, 64138228), (7, 36650416), (8, 32069114), (11, 23322992), (14, 18325208), (16, 16034557), (22, 11661496), (28, 9162604), (44, 5830748), (56, 4581302), (77, 3331856), (88, 2915374), (112, 2290651), (121, 2120272), (154, 1665928), (176, 1457687), (242, 1060136), (308, 832964), (484, 530068), (616, 416482), (847, 302896), (968, 265034), (1232, 208241), (1331, 192752), (1694, 151448), (1721, 149072), (1936, 132517), (2662, 96376), (3388, 75724), (3442, 74536), (5324, 48188), (6776, 37862), (6884, 37268), (9317, 27536), (10648, 24094), (12047, 21296), (13552, 18931), (13768, 18634)]