16929451

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:680

約数の個数: 20

約数和(自身を含む): 21578904

約数和(自身を除く): 4649453

約数列:

[1, 7, 11, 49, 77, 343, 539, 641, 2401, 3773, 4487, 7051, 26411, 31409, 49357, 219863, 345499, 1539041, 2418493, 16929451]

約数ペア:

[(1, 16929451), (7, 2418493), (11, 1539041), (49, 345499), (77, 219863), (343, 49357), (539, 31409), (641, 26411), (2401, 7051), (3773, 4487)]