15565520816

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{18355567}}^1$

素因数の和:18355628

約数の個数: 20

約数和(自身を含む): 30727220832

約数和(自身を除く): 15161700016

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 18355567, 36711134, 73422268, 146844536, 293689072, 972845051, 1945690102, 3891380204, 7782760408, 15565520816]

約数ペア:

[(1, 15565520816), (2, 7782760408), (4, 3891380204), (8, 1945690102), (16, 972845051), (53, 293689072), (106, 146844536), (212, 73422268), (424, 36711134), (848, 18355567)]