11989475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 16040640

約数和(自身を除く): 4051165

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 587, 817, 1075, 2935, 4085, 11153, 14675, 20425, 25241, 55765, 126205, 278825, 479579, 631025, 2397895, 11989475]

約数ペア:

[(1, 11989475), (5, 2397895), (19, 631025), (25, 479579), (43, 278825), (95, 126205), (215, 55765), (475, 25241), (587, 20425), (817, 14675), (1075, 11153), (2935, 4085)]