1661512775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{25951}}^1$

素因数の和:26171

約数の個数: 24

約数和(自身を含む): 2230107264

約数和(自身を除く): 568594489

約数列:

[1, 5, 13, 25, 65, 197, 325, 985, 2561, 4925, 12805, 25951, 64025, 129755, 337363, 648775, 1686815, 5112347, 8434075, 25561735, 66460511, 127808675, 332302555, 1661512775]

約数ペア:

[(1, 1661512775), (5, 332302555), (13, 127808675), (25, 66460511), (65, 25561735), (197, 8434075), (325, 5112347), (985, 1686815), (2561, 648775), (4925, 337363), (12805, 129755), (25951, 64025)]