198891791

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{7591}}^1$

素因数の和:7814

約数の個数: 16

約数和(自身を含む): 240514560

約数和(自身を除く): 41622769

約数列:

[1, 7, 19, 133, 197, 1379, 3743, 7591, 26201, 53137, 144229, 1009603, 1495427, 10467989, 28413113, 198891791]

約数ペア:

[(1, 198891791), (7, 28413113), (19, 10467989), (133, 1495427), (197, 1009603), (1379, 144229), (3743, 53137), (7591, 26201)]