1274790275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{12841}}^1$

素因数の和:12900

約数の個数: 36

約数和(自身を含む): 1820122344

約数和(自身を除く): 545332069

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 361, 475, 1045, 1805, 3971, 5225, 9025, 12841, 19855, 64205, 99275, 141251, 243979, 321025, 706255, 1219895, 2683769, 3531275, 4635601, 6099475, 13418845, 23178005, 50991611, 67094225, 115890025, 254958055, 1274790275]

約数ペア:

[(1, 1274790275), (5, 254958055), (11, 115890025), (19, 67094225), (25, 50991611), (55, 23178005), (95, 13418845), (209, 6099475), (275, 4635601), (361, 3531275), (475, 2683769), (1045, 1219895), (1805, 706255), (3971, 321025), (5225, 243979), (9025, 141251), (12841, 99275), (19855, 64205)]