165064705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 221211648

約数和(自身を除く): 56146943

約数列:

[1, 5, 13, 47, 65, 71, 235, 355, 611, 761, 923, 3055, 3337, 3805, 4615, 9893, 16685, 35767, 43381, 49465, 54031, 178835, 216905, 270155, 464971, 702403, 2324855, 2539457, 3512015, 12697285, 33012941, 165064705]

約数ペア:

[(1, 165064705), (5, 33012941), (13, 12697285), (47, 3512015), (65, 2539457), (71, 2324855), (235, 702403), (355, 464971), (611, 270155), (761, 216905), (923, 178835), (3055, 54031), (3337, 49465), (3805, 43381), (4615, 35767), (9893, 16685)]