28303855

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 36122112

約数和(自身を除く): 7818257

約数列:

[1, 5, 29, 53, 127, 145, 265, 635, 841, 1537, 3683, 4205, 6731, 7685, 18415, 33655, 44573, 106807, 195199, 222865, 534035, 975995, 5660771, 28303855]

約数ペア:

[(1, 28303855), (5, 5660771), (29, 975995), (53, 534035), (127, 222865), (145, 195199), (265, 106807), (635, 44573), (841, 33655), (1537, 18415), (3683, 7685), (4205, 6731)]