8220095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 11575872

約数和(自身を除く): 3355777

約数列:

[1, 5, 13, 17, 43, 65, 85, 173, 215, 221, 559, 731, 865, 1105, 2249, 2795, 2941, 3655, 7439, 9503, 11245, 14705, 37195, 38233, 47515, 96707, 126463, 191165, 483535, 632315, 1644019, 8220095]

約数ペア:

[(1, 8220095), (5, 1644019), (13, 632315), (17, 483535), (43, 191165), (65, 126463), (85, 96707), (173, 47515), (215, 38233), (221, 37195), (559, 14705), (731, 11245), (865, 9503), (1105, 7439), (2249, 3655), (2795, 2941)]