664831717

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4073}}^1$

素因数の和:4185

約数の個数: 24

約数和(自身を含む): 780252480

約数和(自身を除く): 115420763

約数列:

[1, 11, 19, 71, 121, 209, 781, 1349, 2299, 4073, 8591, 14839, 44803, 77387, 163229, 289183, 492833, 851257, 3181013, 5494477, 9363827, 34991143, 60439247, 664831717]

約数ペア:

[(1, 664831717), (11, 60439247), (19, 34991143), (71, 9363827), (121, 5494477), (209, 3181013), (781, 851257), (1349, 492833), (2299, 289183), (4073, 163229), (8591, 77387), (14839, 44803)]