278330663

素因数分解:

${\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 312991488

約数和(自身を除く): 34660825

約数列:

[1, 13, 47, 67, 169, 523, 611, 871, 3149, 6799, 7943, 11323, 24581, 35041, 40937, 88387, 319553, 455533, 532181, 1646927, 4154189, 5921929, 21410051, 278330663]

約数ペア:

[(1, 278330663), (13, 21410051), (47, 5921929), (67, 4154189), (169, 1646927), (523, 532181), (611, 455533), (871, 319553), (3149, 88387), (6799, 40937), (7943, 35041), (11323, 24581)]