28918019

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{53}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 34125840

約数和(自身を除く): 5207821

約数列:

[1, 13, 19, 47, 53, 247, 611, 689, 893, 1007, 2209, 2491, 11609, 13091, 28717, 32383, 41971, 47329, 117077, 545623, 615277, 1522001, 2224463, 28918019]

約数ペア:

[(1, 28918019), (13, 2224463), (19, 1522001), (47, 615277), (53, 545623), (247, 117077), (611, 47329), (689, 41971), (893, 32383), (1007, 28717), (2209, 13091), (2491, 11609)]