268159825

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:782

約数の個数: 36

約数和(自身を含む): 359621328

約数和(自身を除く): 91461503

約数列:

[1, 5, 19, 25, 43, 95, 215, 361, 475, 691, 817, 1075, 1805, 3455, 4085, 9025, 13129, 15523, 17275, 20425, 29713, 65645, 77615, 148565, 249451, 328225, 388075, 564547, 742825, 1247255, 2822735, 6236275, 10726393, 14113675, 53631965, 268159825]

約数ペア:

[(1, 268159825), (5, 53631965), (19, 14113675), (25, 10726393), (43, 6236275), (95, 2822735), (215, 1247255), (361, 742825), (475, 564547), (691, 388075), (817, 328225), (1075, 249451), (1805, 148565), (3455, 77615), (4085, 65645), (9025, 29713), (13129, 20425), (15523, 17275)]