201720958

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1\times {\mathrm{1283}}^1$

素因数の和:2031

約数の個数: 16

約数和(自身を含む): 305694720

約数和(自身を除く): 103973762

約数列:

[1, 2, 127, 254, 619, 1238, 1283, 2566, 78613, 157226, 162941, 325882, 794177, 1588354, 100860479, 201720958]

約数ペア:

[(1, 201720958), (2, 100860479), (127, 1588354), (254, 794177), (619, 325882), (1238, 162941), (1283, 157226), (2566, 78613)]