31587257

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1187}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 35925120

約数和(自身を除く): 4337863

約数列:

[1, 13, 23, 89, 299, 1157, 1187, 2047, 15431, 26611, 27301, 105643, 354913, 1373359, 2429789, 31587257]

約数ペア:

[(1, 31587257), (13, 2429789), (23, 1373359), (89, 354913), (299, 105643), (1157, 27301), (1187, 26611), (2047, 15431)]