78917293

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{541}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 99478680

約数和(自身を除く): 20561387

約数列:

[1, 7, 13, 49, 91, 229, 541, 637, 1603, 2977, 3787, 7033, 11221, 20839, 26509, 49231, 123889, 145873, 344617, 867223, 1610557, 6070561, 11273899, 78917293]

約数ペア:

[(1, 78917293), (7, 11273899), (13, 6070561), (49, 1610557), (91, 867223), (229, 344617), (541, 145873), (637, 123889), (1603, 49231), (2977, 26509), (3787, 20839), (7033, 11221)]