16880396

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{24971}}^1$

素因数の和:25001

約数の個数: 18

約数和(自身を含む): 31989132

約数和(自身を除く): 15108736

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 24971, 49942, 99884, 324623, 649246, 1298492, 4220099, 8440198, 16880396]

約数ペア:

[(1, 16880396), (2, 8440198), (4, 4220099), (13, 1298492), (26, 649246), (52, 324623), (169, 99884), (338, 49942), (676, 24971)]