199902235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{180907}}^1$

素因数の和:180942

約数の個数: 16

約数和(自身を含む): 273532896

約数和(自身を除く): 73630661

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 180907, 904535, 2351791, 3075419, 11758955, 15377095, 39980447, 199902235]

約数ペア:

[(1, 199902235), (5, 39980447), (13, 15377095), (17, 11758955), (65, 3075419), (85, 2351791), (221, 904535), (1105, 180907)]