256793706

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5011}}^1$

素因数の和:5108

約数の個数: 64

約数和(自身を含む): 623091840

約数和(自身を除く): 366298134

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 73, 78, 117, 146, 219, 234, 351, 438, 657, 702, 949, 1314, 1898, 1971, 2847, 3942, 5011, 5694, 8541, 10022, 15033, 17082, 25623, 30066, 45099, 51246, 65143, 90198, 130286, 135297, 195429, 270594, 365803, 390858, 586287, 731606, 1097409, 1172574, 1758861, 2194818, 3292227, 3517722, 4755439, 6584454, 9510878, 9876681, 14266317, 19753362, 28532634, 42798951, 85597902, 128396853, 256793706]

約数ペア:

[(1, 256793706), (2, 128396853), (3, 85597902), (6, 42798951), (9, 28532634), (13, 19753362), (18, 14266317), (26, 9876681), (27, 9510878), (39, 6584454), (54, 4755439), (73, 3517722), (78, 3292227), (117, 2194818), (146, 1758861), (219, 1172574), (234, 1097409), (351, 731606), (438, 586287), (657, 390858), (702, 365803), (949, 270594), (1314, 195429), (1898, 135297), (1971, 130286), (2847, 90198), (3942, 65143), (5011, 51246), (5694, 45099), (8541, 30066), (10022, 25623), (15033, 17082)]