31271942

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 53978400

約数和(自身を除く): 22706458

約数列:

[1, 2, 13, 17, 26, 34, 139, 221, 278, 442, 509, 1018, 1807, 2363, 3614, 4726, 6617, 8653, 13234, 17306, 30719, 61438, 70751, 112489, 141502, 224978, 919763, 1202767, 1839526, 2405534, 15635971, 31271942]

約数ペア:

[(1, 31271942), (2, 15635971), (13, 2405534), (17, 1839526), (26, 1202767), (34, 919763), (139, 224978), (221, 141502), (278, 112489), (442, 70751), (509, 61438), (1018, 30719), (1807, 17306), (2363, 13234), (3614, 8653), (4726, 6617)]