81668352

素因数分解:

$2^8\times 3^1\times {\mathrm{43}}^1\times {\mathrm{2473}}^1$

素因数の和:2535

約数の個数: 72

約数和(自身を含む): 222501664

約数和(自身を除く): 140833312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 344, 384, 516, 688, 768, 1032, 1376, 2064, 2473, 2752, 4128, 4946, 5504, 7419, 8256, 9892, 11008, 14838, 16512, 19784, 29676, 33024, 39568, 59352, 79136, 106339, 118704, 158272, 212678, 237408, 316544, 319017, 425356, 474816, 633088, 638034, 850712, 949632, 1276068, 1701424, 1899264, 2552136, 3402848, 5104272, 6805696, 10208544, 13611392, 20417088, 27222784, 40834176, 81668352]

約数ペア:

[(1, 81668352), (2, 40834176), (3, 27222784), (4, 20417088), (6, 13611392), (8, 10208544), (12, 6805696), (16, 5104272), (24, 3402848), (32, 2552136), (43, 1899264), (48, 1701424), (64, 1276068), (86, 949632), (96, 850712), (128, 638034), (129, 633088), (172, 474816), (192, 425356), (256, 319017), (258, 316544), (344, 237408), (384, 212678), (516, 158272), (688, 118704), (768, 106339), (1032, 79136), (1376, 59352), (2064, 39568), (2473, 33024), (2752, 29676), (4128, 19784), (4946, 16512), (5504, 14838), (7419, 11008), (8256, 9892)]