31287974

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:947

約数の個数: 16

約数和(自身を含む): 47616000

約数和(自身を除く): 16328026

約数列:

[1, 2, 127, 199, 254, 398, 619, 1238, 25273, 50546, 78613, 123181, 157226, 246362, 15643987, 31287974]

約数ペア:

[(1, 31287974), (2, 15643987), (127, 246362), (199, 157226), (254, 123181), (398, 78613), (619, 50546), (1238, 25273)]