209569451

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{21523}}^1$

素因数の和:21650

約数の個数: 16

約数和(自身を含む): 260354304

約数和(自身を除く): 50784853

約数列:

[1, 7, 13, 91, 107, 749, 1391, 9737, 21523, 150661, 279799, 1958593, 2302961, 16120727, 29938493, 209569451]

約数ペア:

[(1, 209569451), (7, 29938493), (13, 16120727), (91, 2302961), (107, 1958593), (749, 279799), (1391, 150661), (9737, 21523)]