261865608

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:962

約数の個数: 64

約数和(自身を含む): 667699200

約数和(自身を除く): 405833592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 239, 284, 426, 478, 568, 643, 717, 852, 956, 1286, 1434, 1704, 1912, 1929, 2572, 2868, 3858, 5144, 5736, 7716, 15432, 16969, 33938, 45653, 50907, 67876, 91306, 101814, 135752, 136959, 153677, 182612, 203628, 273918, 307354, 365224, 407256, 461031, 547836, 614708, 922062, 1095672, 1229416, 1844124, 3688248, 10911067, 21822134, 32733201, 43644268, 65466402, 87288536, 130932804, 261865608]

約数ペア:

[(1, 261865608), (2, 130932804), (3, 87288536), (4, 65466402), (6, 43644268), (8, 32733201), (12, 21822134), (24, 10911067), (71, 3688248), (142, 1844124), (213, 1229416), (239, 1095672), (284, 922062), (426, 614708), (478, 547836), (568, 461031), (643, 407256), (717, 365224), (852, 307354), (956, 273918), (1286, 203628), (1434, 182612), (1704, 153677), (1912, 136959), (1929, 135752), (2572, 101814), (2868, 91306), (3858, 67876), (5144, 50907), (5736, 45653), (7716, 33938), (15432, 16969)]