4004968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 8320320

約数和(自身を除く): 4315352

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 641, 781, 1282, 1562, 2564, 3124, 5128, 6248, 7051, 14102, 28204, 45511, 56408, 91022, 182044, 364088, 500621, 1001242, 2002484, 4004968]

約数ペア:

[(1, 4004968), (2, 2002484), (4, 1001242), (8, 500621), (11, 364088), (22, 182044), (44, 91022), (71, 56408), (88, 45511), (142, 28204), (284, 14102), (568, 7051), (641, 6248), (781, 5128), (1282, 3124), (1562, 2564)]