16664075

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 21912288

約数和(自身を除く): 5248213

約数列:

[1, 5, 23, 25, 73, 115, 365, 397, 575, 1679, 1825, 1985, 8395, 9131, 9925, 28981, 41975, 45655, 144905, 228275, 666563, 724525, 3332815, 16664075]

約数ペア:

[(1, 16664075), (5, 3332815), (23, 724525), (25, 666563), (73, 228275), (115, 144905), (365, 45655), (397, 41975), (575, 28981), (1679, 9925), (1825, 9131), (1985, 8395)]