199943944

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{1231}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 381427200

約数和(自身を除く): 181483256

約数列:

[1, 2, 4, 8, 79, 158, 257, 316, 514, 632, 1028, 1231, 2056, 2462, 4924, 9848, 20303, 40606, 81212, 97249, 162424, 194498, 316367, 388996, 632734, 777992, 1265468, 2530936, 24992993, 49985986, 99971972, 199943944]

約数ペア:

[(1, 199943944), (2, 99971972), (4, 49985986), (8, 24992993), (79, 2530936), (158, 1265468), (257, 777992), (316, 632734), (514, 388996), (632, 316367), (1028, 194498), (1231, 162424), (2056, 97249), (2462, 81212), (4924, 40606), (9848, 20303)]