628201427

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 775756800

約数和(自身を除く): 147555373

約数列:

[1, 7, 19, 73, 89, 133, 511, 623, 727, 1387, 1691, 5089, 6497, 9709, 11837, 13813, 45479, 53071, 64703, 96691, 123443, 371497, 452921, 864101, 1008349, 1229357, 4723319, 7058443, 8605499, 33063233, 89743061, 628201427]

約数ペア:

[(1, 628201427), (7, 89743061), (19, 33063233), (73, 8605499), (89, 7058443), (133, 4723319), (511, 1229357), (623, 1008349), (727, 864101), (1387, 452921), (1691, 371497), (5089, 123443), (6497, 96691), (9709, 64703), (11837, 53071), (13813, 45479)]