389927912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{260647}}^1$

素因数の和:260681

約数の個数: 32

約数和(自身を含む): 844499520

約数和(自身を除く): 454571608

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 260647, 521294, 1042588, 2085176, 2867117, 4430999, 5734234, 8861998, 11468468, 17723996, 22936936, 35447992, 48740989, 97481978, 194963956, 389927912]

約数ペア:

[(1, 389927912), (2, 194963956), (4, 97481978), (8, 48740989), (11, 35447992), (17, 22936936), (22, 17723996), (34, 11468468), (44, 8861998), (68, 5734234), (88, 4430999), (136, 2867117), (187, 2085176), (374, 1042588), (748, 521294), (1496, 260647)]