197920099

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 226418192

約数和(自身を除く): 28498093

約数列:

[1, 13, 29, 43, 377, 421, 559, 841, 1247, 5473, 10933, 12209, 16211, 18103, 36163, 158717, 235339, 354061, 470119, 524987, 4602793, 6824831, 15224623, 197920099]

約数ペア:

[(1, 197920099), (13, 15224623), (29, 6824831), (43, 4602793), (377, 524987), (421, 470119), (559, 354061), (841, 235339), (1247, 158717), (5473, 36163), (10933, 18103), (12209, 16211)]