1991148544

素因数分解:

$2^{10}\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25253}}^1$

素因数の和:25291

約数の個数: 88

約数和(自身を含む): 4962714048

約数和(自身を除く): 2971565504

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 512, 616, 704, 896, 1024, 1232, 1408, 1792, 2464, 2816, 3584, 4928, 5632, 7168, 9856, 11264, 19712, 25253, 39424, 50506, 78848, 101012, 176771, 202024, 277783, 353542, 404048, 555566, 707084, 808096, 1111132, 1414168, 1616192, 1944481, 2222264, 2828336, 3232384, 3888962, 4444528, 5656672, 6464768, 7777924, 8889056, 11313344, 12929536, 15555848, 17778112, 22626688, 25859072, 31111696, 35556224, 45253376, 62223392, 71112448, 90506752, 124446784, 142224896, 181013504, 248893568, 284449792, 497787136, 995574272, 1991148544]

約数ペア:

[(1, 1991148544), (2, 995574272), (4, 497787136), (7, 284449792), (8, 248893568), (11, 181013504), (14, 142224896), (16, 124446784), (22, 90506752), (28, 71112448), (32, 62223392), (44, 45253376), (56, 35556224), (64, 31111696), (77, 25859072), (88, 22626688), (112, 17778112), (128, 15555848), (154, 12929536), (176, 11313344), (224, 8889056), (256, 7777924), (308, 6464768), (352, 5656672), (448, 4444528), (512, 3888962), (616, 3232384), (704, 2828336), (896, 2222264), (1024, 1944481), (1232, 1616192), (1408, 1414168), (1792, 1111132), (2464, 808096), (2816, 707084), (3584, 555566), (4928, 404048), (5632, 353542), (7168, 277783), (9856, 202024), (11264, 176771), (19712, 101012), (25253, 78848), (39424, 50506)]