31143178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{6709}}^1$

素因数の和:6933

約数の個数: 16

約数和(自身を含む): 51210720

約数和(自身を除く): 20067542

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4642, 6709, 13418, 73799, 147598, 1415599, 2831198, 15571589, 31143178]

約数ペア:

[(1, 31143178), (2, 15571589), (11, 2831198), (22, 1415599), (211, 147598), (422, 73799), (2321, 13418), (4642, 6709)]