78816205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 105469056

約数和(自身を除く): 26652851

約数列:

[1, 5, 13, 43, 65, 163, 173, 215, 559, 815, 865, 2119, 2249, 2795, 7009, 7439, 10595, 11245, 28199, 35045, 37195, 91117, 96707, 140995, 366587, 455585, 483535, 1212557, 1832935, 6062785, 15763241, 78816205]

約数ペア:

[(1, 78816205), (5, 15763241), (13, 6062785), (43, 1832935), (65, 1212557), (163, 483535), (173, 455585), (215, 366587), (559, 140995), (815, 96707), (865, 91117), (2119, 37195), (2249, 35045), (2795, 28199), (7009, 11245), (7439, 10595)]