217765990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1069}}^1\times {\mathrm{1567}}^1$

素因数の和:2656

約数の個数: 32

約数和(自身を含む): 422795520

約数和(自身を除く): 205029530

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1069, 1567, 2138, 3134, 5345, 7835, 10690, 13897, 15670, 20371, 27794, 40742, 69485, 101855, 138970, 203710, 1675123, 3350246, 8375615, 16751230, 21776599, 43553198, 108882995, 217765990]

約数ペア:

[(1, 217765990), (2, 108882995), (5, 43553198), (10, 21776599), (13, 16751230), (26, 8375615), (65, 3350246), (130, 1675123), (1069, 203710), (1567, 138970), (2138, 101855), (3134, 69485), (5345, 40742), (7835, 27794), (10690, 20371), (13897, 15670)]