66755408

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{78721}}^1$

素因数の和:78782

約数の個数: 20

約数和(自身を含む): 131780628

約数和(自身を除く): 65025220

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 78721, 157442, 314884, 629768, 1259536, 4172213, 8344426, 16688852, 33377704, 66755408]

約数ペア:

[(1, 66755408), (2, 33377704), (4, 16688852), (8, 8344426), (16, 4172213), (53, 1259536), (106, 629768), (212, 314884), (424, 157442), (848, 78721)]