78921257

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1684

約数の個数: 16

約数和(自身を含む): 86261760

約数和(自身を除く): 7340503

約数列:

[1, 23, 31, 71, 713, 1559, 1633, 2201, 35857, 48329, 50623, 110689, 1111567, 2545847, 3431359, 78921257]

約数ペア:

[(1, 78921257), (23, 3431359), (31, 2545847), (71, 1111567), (713, 110689), (1559, 50623), (1633, 48329), (2201, 35857)]