81273938

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{1409}}^1$

素因数の和:1753

約数の個数: 16

約数和(自身を含む): 123448320

約数和(自身を除く): 42174382

約数列:

[1, 2, 151, 191, 302, 382, 1409, 2818, 28841, 57682, 212759, 269119, 425518, 538238, 40636969, 81273938]

約数ペア:

[(1, 81273938), (2, 40636969), (151, 538238), (191, 425518), (302, 269119), (382, 212759), (1409, 57682), (2818, 28841)]