243573242

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 417130560

約数和(自身を除く): 173557318

約数列:

[1, 2, 11, 22, 43, 86, 89, 121, 178, 242, 263, 473, 526, 946, 979, 1958, 2893, 3827, 5203, 5786, 7654, 10406, 10769, 11309, 21538, 22618, 23407, 31823, 42097, 46814, 63646, 84194, 124399, 248798, 257477, 463067, 514954, 926134, 1006501, 1368389, 2013002, 2736778, 2832247, 5664494, 11071511, 22143022, 121786621, 243573242]

約数ペア:

[(1, 243573242), (2, 121786621), (11, 22143022), (22, 11071511), (43, 5664494), (86, 2832247), (89, 2736778), (121, 2013002), (178, 1368389), (242, 1006501), (263, 926134), (473, 514954), (526, 463067), (946, 257477), (979, 248798), (1958, 124399), (2893, 84194), (3827, 63646), (5203, 46814), (5786, 42097), (7654, 31823), (10406, 23407), (10769, 22618), (11309, 21538)]