61981478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{23603}}^1$

素因数の和:23719

約数の個数: 16

約数和(自身を含む): 101119536

約数和(自身を除く): 39138058

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 23603, 47206, 306839, 613678, 2383903, 4767806, 30990739, 61981478]

約数ペア:

[(1, 61981478), (2, 30990739), (13, 4767806), (26, 2383903), (101, 613678), (202, 306839), (1313, 47206), (2626, 23603)]