209448338

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{27919}}^1$

素因数の和:27974

約数の個数: 24

約数和(自身を含む): 356482560

約数和(自身を除く): 147034222

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 3751, 7502, 27919, 55838, 307109, 614218, 865489, 1730978, 3378199, 6756398, 9520379, 19040758, 104724169, 209448338]

約数ペア:

[(1, 209448338), (2, 104724169), (11, 19040758), (22, 9520379), (31, 6756398), (62, 3378199), (121, 1730978), (242, 865489), (341, 614218), (682, 307109), (3751, 55838), (7502, 27919)]