1979751424

素因数分解:

$2^{10}\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1987}}^1$

素因数の和:2153

約数の個数: 88

約数和(自身を含む): 4557768320

約数和(自身を除く): 2578016896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 256, 278, 448, 512, 556, 896, 973, 1024, 1112, 1792, 1946, 1987, 2224, 3584, 3892, 3974, 4448, 7168, 7784, 7948, 8896, 13909, 15568, 15896, 17792, 27818, 31136, 31792, 35584, 55636, 62272, 63584, 71168, 111272, 124544, 127168, 142336, 222544, 249088, 254336, 276193, 445088, 498176, 508672, 552386, 890176, 996352, 1017344, 1104772, 1780352, 1933351, 2034688, 2209544, 3560704, 3866702, 4419088, 7121408, 7733404, 8838176, 14242816, 15466808, 17676352, 30933616, 35352704, 61867232, 70705408, 123734464, 141410816, 247468928, 282821632, 494937856, 989875712, 1979751424]

約数ペア:

[(1, 1979751424), (2, 989875712), (4, 494937856), (7, 282821632), (8, 247468928), (14, 141410816), (16, 123734464), (28, 70705408), (32, 61867232), (56, 35352704), (64, 30933616), (112, 17676352), (128, 15466808), (139, 14242816), (224, 8838176), (256, 7733404), (278, 7121408), (448, 4419088), (512, 3866702), (556, 3560704), (896, 2209544), (973, 2034688), (1024, 1933351), (1112, 1780352), (1792, 1104772), (1946, 1017344), (1987, 996352), (2224, 890176), (3584, 552386), (3892, 508672), (3974, 498176), (4448, 445088), (7168, 276193), (7784, 254336), (7948, 249088), (8896, 222544), (13909, 142336), (15568, 127168), (15896, 124544), (17792, 111272), (27818, 71168), (31136, 63584), (31792, 62272), (35584, 55636)]