81168194

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1\times {\mathrm{1123}}^1$

素因数の和:1705

約数の個数: 16

約数和(自身を含む): 123819840

約数和(自身を除く): 42651646

約数列:

[1, 2, 71, 142, 509, 1018, 1123, 2246, 36139, 72278, 79733, 159466, 571607, 1143214, 40584097, 81168194]

約数ペア:

[(1, 81168194), (2, 40584097), (71, 1143214), (142, 571607), (509, 159466), (1018, 79733), (1123, 72278), (2246, 36139)]