201990328

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{863}}^1\times {\mathrm{1721}}^1$

素因数の和:2607

約数の個数: 32

約数和(自身を含む): 401708160

約数和(自身を除く): 199717832

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 863, 1721, 1726, 3442, 3452, 6884, 6904, 13768, 14671, 29257, 29342, 58514, 58684, 117028, 117368, 234056, 1485223, 2970446, 5940892, 11881784, 25248791, 50497582, 100995164, 201990328]

約数ペア:

[(1, 201990328), (2, 100995164), (4, 50497582), (8, 25248791), (17, 11881784), (34, 5940892), (68, 2970446), (136, 1485223), (863, 234056), (1721, 117368), (1726, 117028), (3442, 58684), (3452, 58514), (6884, 29342), (6904, 29257), (13768, 14671)]