281639254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{121711}}^1$

素因数の和:121815

約数の個数: 16

約数和(自身を含む): 460071360

約数和(自身を除く): 178432106

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 121711, 243422, 1582243, 3164486, 10832279, 21664558, 140819627, 281639254]

約数ペア:

[(1, 281639254), (2, 140819627), (13, 21664558), (26, 10832279), (89, 3164486), (178, 1582243), (1157, 243422), (2314, 121711)]