220143386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{14447}}^1$

素因数の和:14869

約数の個数: 16

約数和(自身を含む): 348485760

約数和(自身を除く): 128342374

約数列:

[1, 2, 19, 38, 401, 802, 7619, 14447, 15238, 28894, 274493, 548986, 5793247, 11586494, 110071693, 220143386]

約数ペア:

[(1, 220143386), (2, 110071693), (19, 11586494), (38, 5793247), (401, 548986), (802, 274493), (7619, 28894), (14447, 15238)]