289887776

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 580267800

約数和(自身を除く): 290380024

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 257, 349, 404, 514, 698, 808, 1028, 1396, 1616, 2056, 2792, 3232, 4112, 5584, 8224, 11168, 25957, 35249, 51914, 70498, 89693, 103828, 140996, 179386, 207656, 281992, 358772, 415312, 563984, 717544, 830624, 1127968, 1435088, 2870176, 9058993, 18117986, 36235972, 72471944, 144943888, 289887776]

約数ペア:

[(1, 289887776), (2, 144943888), (4, 72471944), (8, 36235972), (16, 18117986), (32, 9058993), (101, 2870176), (202, 1435088), (257, 1127968), (349, 830624), (404, 717544), (514, 563984), (698, 415312), (808, 358772), (1028, 281992), (1396, 207656), (1616, 179386), (2056, 140996), (2792, 103828), (3232, 89693), (4112, 70498), (5584, 51914), (8224, 35249), (11168, 25957)]