289140917

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1699}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 335988000

約数和(自身を除く): 46847083

約数列:

[1, 13, 19, 53, 169, 247, 689, 1007, 1699, 3211, 8957, 13091, 22087, 32281, 90047, 170183, 287131, 419653, 1170611, 1710893, 5455489, 15217943, 22241609, 289140917]

約数ペア:

[(1, 289140917), (13, 22241609), (19, 15217943), (53, 5455489), (169, 1710893), (247, 1170611), (689, 419653), (1007, 287131), (1699, 170183), (3211, 90047), (8957, 32281), (13091, 22087)]