90434057

素因数分解:

$7^2\times {\mathrm{89}}^2\times {\mathrm{233}}^1$

素因数の和:425

約数の個数: 18

約数和(自身を含む): 106850718

約数和(自身を除く): 16416661

約数列:

[1, 7, 49, 89, 233, 623, 1631, 4361, 7921, 11417, 20737, 55447, 145159, 388129, 1016113, 1845593, 12919151, 90434057]

約数ペア:

[(1, 90434057), (7, 12919151), (49, 1845593), (89, 1016113), (233, 388129), (623, 145159), (1631, 55447), (4361, 20737), (7921, 11417)]