289471105

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{4789}}^1$

素因数の和:4969

約数の個数: 32

約数和(自身を含む): 435928320

約数和(自身を除く): 146457215

約数列:

[1, 5, 7, 11, 35, 55, 77, 157, 385, 785, 1099, 1727, 4789, 5495, 8635, 12089, 23945, 33523, 52679, 60445, 167615, 263395, 368753, 751873, 1843765, 3759365, 5263111, 8270603, 26315555, 41353015, 57894221, 289471105]

約数ペア:

[(1, 289471105), (5, 57894221), (7, 41353015), (11, 26315555), (35, 8270603), (55, 5263111), (77, 3759365), (157, 1843765), (385, 751873), (785, 368753), (1099, 263395), (1727, 167615), (4789, 60445), (5495, 52679), (8635, 33523), (12089, 23945)]