209212916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{31489}}^1$

素因数の和:31655

約数の個数: 24

約数和(自身を含む): 402064320

約数和(自身を除く): 192851404

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3322, 6644, 31489, 62978, 125956, 346379, 692758, 1385516, 4754839, 9509678, 19019356, 52303229, 104606458, 209212916]

約数ペア:

[(1, 209212916), (2, 104606458), (4, 52303229), (11, 19019356), (22, 9509678), (44, 4754839), (151, 1385516), (302, 692758), (604, 346379), (1661, 125956), (3322, 62978), (6644, 31489)]