265409195

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{68141}}^1$

素因数の和:68206

約数の個数: 16

約数和(自身を含む): 343435680

約数和(自身を除く): 78026485

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 68141, 340705, 1294679, 2793781, 6473395, 13968905, 53081839, 265409195]

約数ペア:

[(1, 265409195), (5, 53081839), (19, 13968905), (41, 6473395), (95, 2793781), (205, 1294679), (779, 340705), (3895, 68141)]