28259335

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 37472544

約数和(自身を除く): 9213209

約数列:

[1, 5, 13, 53, 65, 169, 265, 631, 689, 845, 3155, 3445, 8203, 8957, 33443, 41015, 44785, 106639, 167215, 434759, 533195, 2173795, 5651867, 28259335]

約数ペア:

[(1, 28259335), (5, 5651867), (13, 2173795), (53, 533195), (65, 434759), (169, 167215), (265, 106639), (631, 44785), (689, 41015), (845, 33443), (3155, 8957), (3445, 8203)]