209901904

素因数分解:

$2^4\times {\mathrm{3307}}^1\times {\mathrm{3967}}^1$

素因数の和:7282

約数の個数: 20

約数和(自身を含む): 406910464

約数和(自身を除く): 197008560

約数列:

[1, 2, 4, 8, 16, 3307, 3967, 6614, 7934, 13228, 15868, 26456, 31736, 52912, 63472, 13118869, 26237738, 52475476, 104950952, 209901904]

約数ペア:

[(1, 209901904), (2, 104950952), (4, 52475476), (8, 26237738), (16, 13118869), (3307, 63472), (3967, 52912), (6614, 31736), (7934, 26456), (13228, 15868)]