257035064

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2707}}^1$

素因数の和:2820

約数の個数: 64

約数和(自身を含む): 573229440

約数和(自身を除く): 316194376

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 83, 88, 104, 143, 166, 286, 332, 572, 664, 913, 1079, 1144, 1826, 2158, 2707, 3652, 4316, 5414, 7304, 8632, 10828, 11869, 21656, 23738, 29777, 35191, 47476, 59554, 70382, 94952, 119108, 140764, 224681, 238216, 281528, 387101, 449362, 774202, 898724, 1548404, 1797448, 2471491, 2920853, 3096808, 4942982, 5841706, 9885964, 11683412, 19771928, 23366824, 32129383, 64258766, 128517532, 257035064]

約数ペア:

[(1, 257035064), (2, 128517532), (4, 64258766), (8, 32129383), (11, 23366824), (13, 19771928), (22, 11683412), (26, 9885964), (44, 5841706), (52, 4942982), (83, 3096808), (88, 2920853), (104, 2471491), (143, 1797448), (166, 1548404), (286, 898724), (332, 774202), (572, 449362), (664, 387101), (913, 281528), (1079, 238216), (1144, 224681), (1826, 140764), (2158, 119108), (2707, 94952), (3652, 70382), (4316, 59554), (5414, 47476), (7304, 35191), (8632, 29777), (10828, 23738), (11869, 21656)]