209969408

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 460930176

約数和(自身を除く): 250960768

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 173, 176, 256, 346, 352, 431, 692, 704, 862, 1384, 1408, 1724, 1903, 2768, 2816, 3448, 3806, 4741, 5536, 6896, 7612, 9482, 11072, 13792, 15224, 18964, 22144, 27584, 30448, 37928, 44288, 55168, 60896, 74563, 75856, 110336, 121792, 149126, 151712, 243584, 298252, 303424, 487168, 596504, 606848, 820193, 1193008, 1213696, 1640386, 2386016, 3280772, 4772032, 6561544, 9544064, 13123088, 19088128, 26246176, 52492352, 104984704, 209969408]

約数ペア:

[(1, 209969408), (2, 104984704), (4, 52492352), (8, 26246176), (11, 19088128), (16, 13123088), (22, 9544064), (32, 6561544), (44, 4772032), (64, 3280772), (88, 2386016), (128, 1640386), (173, 1213696), (176, 1193008), (256, 820193), (346, 606848), (352, 596504), (431, 487168), (692, 303424), (704, 298252), (862, 243584), (1384, 151712), (1408, 149126), (1724, 121792), (1903, 110336), (2768, 75856), (2816, 74563), (3448, 60896), (3806, 55168), (4741, 44288), (5536, 37928), (6896, 30448), (7612, 27584), (9482, 22144), (11072, 18964), (13792, 15224)]