209213279

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{7369}}^1$

素因数の和:7498

約数の個数: 16

約数和(自身を含む): 238788000

約数和(自身を除く): 29574721

約数列:

[1, 11, 29, 89, 319, 979, 2581, 7369, 28391, 81059, 213701, 655841, 2350711, 7214251, 19019389, 209213279]

約数ペア:

[(1, 209213279), (11, 19019389), (29, 7214251), (89, 2350711), (319, 655841), (979, 213701), (2581, 81059), (7369, 28391)]