678693118

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 1054752192

約数和(自身を除く): 376059074

約数列:

[1, 2, 71, 73, 142, 146, 233, 281, 466, 562, 5183, 10366, 16543, 17009, 19951, 20513, 33086, 34018, 39902, 41026, 65473, 130946, 1207639, 1456423, 2415278, 2912846, 4648583, 4779529, 9297166, 9559058, 339346559, 678693118]

約数ペア:

[(1, 678693118), (2, 339346559), (71, 9559058), (73, 9297166), (142, 4779529), (146, 4648583), (233, 2912846), (281, 2415278), (466, 1456423), (562, 1207639), (5183, 130946), (10366, 65473), (16543, 41026), (17009, 39902), (19951, 34018), (20513, 33086)]